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Finding the Fourth Proportional to 9,973.70, 14,955.15 and 4,130.90

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Solution

The fourth proportional to 9,973.70, 14,955.15 and 4,130.90 is: 6,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.70 : 14,955.15 = 4,130.90 : x
  2. Step 2: Convert to fraction form
    9,973.70/14,955.15 = 4,130.90/x
  3. Step 3: Cross multiply
    9,973.70x = 14,955.15 × 4,130.90
  4. Step 4: Simplify right side
    9,973.70x = 61,778,229.14
  5. Step 5: Solve for x
    x = 61,778,229.14/9,973.70
  6. Step 6: Final answer
    x = 6,194.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.