Home / 11,421.44-17,036.16-10,371.52

Finding the Fourth Proportional to 11,421.44, 17,036.16 and 10,371.52

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Solution

The fourth proportional to 11,421.44, 17,036.16 and 10,371.52 is: 15,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.44 : 17,036.16 = 10,371.52 : x
  2. Step 2: Convert to fraction form
    11,421.44/17,036.16 = 10,371.52/x
  3. Step 3: Cross multiply
    11,421.44x = 17,036.16 × 10,371.52
  4. Step 4: Simplify right side
    11,421.44x = 176,690,874.16
  5. Step 5: Solve for x
    x = 176,690,874.16/11,421.44
  6. Step 6: Final answer
    x = 15,470.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.