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Finding the Fourth Proportional to 9,010.94, 12,435.24 and 5,031.90

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Solution

The fourth proportional to 9,010.94, 12,435.24 and 5,031.90 is: 6,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.94 : 12,435.24 = 5,031.90 : x
  2. Step 2: Convert to fraction form
    9,010.94/12,435.24 = 5,031.90/x
  3. Step 3: Cross multiply
    9,010.94x = 12,435.24 × 5,031.90
  4. Step 4: Simplify right side
    9,010.94x = 62,572,884.16
  5. Step 5: Solve for x
    x = 62,572,884.16/9,010.94
  6. Step 6: Final answer
    x = 6,944.10

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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.