Home / 11,053.24-15,244.68-7,817.32

Finding the Fourth Proportional to 11,053.24, 15,244.68 and 7,817.32

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Solution

The fourth proportional to 11,053.24, 15,244.68 and 7,817.32 is: 10,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.24 : 15,244.68 = 7,817.32 : x
  2. Step 2: Convert to fraction form
    11,053.24/15,244.68 = 7,817.32/x
  3. Step 3: Cross multiply
    11,053.24x = 15,244.68 × 7,817.32
  4. Step 4: Simplify right side
    11,053.24x = 119,172,541.86
  5. Step 5: Solve for x
    x = 119,172,541.86/11,053.24
  6. Step 6: Final answer
    x = 10,781.68

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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.