Home / 11,373.16-15,689.40-9,798.52

Finding the Fourth Proportional to 11,373.16, 15,689.40 and 9,798.52

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Solution

The fourth proportional to 11,373.16, 15,689.40 and 9,798.52 is: 13,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.16 : 15,689.40 = 9,798.52 : x
  2. Step 2: Convert to fraction form
    11,373.16/15,689.40 = 9,798.52/x
  3. Step 3: Cross multiply
    11,373.16x = 15,689.40 × 9,798.52
  4. Step 4: Simplify right side
    11,373.16x = 153,732,899.69
  5. Step 5: Solve for x
    x = 153,732,899.69/11,373.16
  6. Step 6: Final answer
    x = 13,517.17

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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.