Home / 9,187.42-12,681.50-7,302.35

Finding the Fourth Proportional to 9,187.42, 12,681.50 and 7,302.35

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Solution

The fourth proportional to 9,187.42, 12,681.50 and 7,302.35 is: 10,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.42 : 12,681.50 = 7,302.35 : x
  2. Step 2: Convert to fraction form
    9,187.42/12,681.50 = 7,302.35/x
  3. Step 3: Cross multiply
    9,187.42x = 12,681.50 × 7,302.35
  4. Step 4: Simplify right side
    9,187.42x = 92,604,651.61
  5. Step 5: Solve for x
    x = 92,604,651.61/9,187.42
  6. Step 6: Final answer
    x = 10,079.51

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Half scale
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Double scale
Find fourth proportional to 9,188.42, 12,682.88 and 7,303.35
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.