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Finding the Fourth Proportional to 9,352.81, 12,923.99 and 8,897.23

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Solution

The fourth proportional to 9,352.81, 12,923.99 and 8,897.23 is: 12,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.81 : 12,923.99 = 8,897.23 : x
  2. Step 2: Convert to fraction form
    9,352.81/12,923.99 = 8,897.23/x
  3. Step 3: Cross multiply
    9,352.81x = 12,923.99 × 8,897.23
  4. Step 4: Simplify right side
    9,352.81x = 114,987,711.55
  5. Step 5: Solve for x
    x = 114,987,711.55/9,352.81
  6. Step 6: Final answer
    x = 12,294.46

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Half scale
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Double scale
Find fourth proportional to 9,353.81, 12,925.37 and 8,898.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.