Home / 12,535.16-17,300.26-7,229.87

Finding the Fourth Proportional to 12,535.16, 17,300.26 and 7,229.87

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Solution

The fourth proportional to 12,535.16, 17,300.26 and 7,229.87 is: 9,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.16 : 17,300.26 = 7,229.87 : x
  2. Step 2: Convert to fraction form
    12,535.16/17,300.26 = 7,229.87/x
  3. Step 3: Cross multiply
    12,535.16x = 17,300.26 × 7,229.87
  4. Step 4: Simplify right side
    12,535.16x = 125,078,526.19
  5. Step 5: Solve for x
    x = 125,078,526.19/12,535.16
  6. Step 6: Final answer
    x = 9,978.21

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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.