Home / 11,285.08-15,575.13-7,036.83

Finding the Fourth Proportional to 11,285.08, 15,575.13 and 7,036.83

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Solution

The fourth proportional to 11,285.08, 15,575.13 and 7,036.83 is: 9,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.08 : 15,575.13 = 7,036.83 : x
  2. Step 2: Convert to fraction form
    11,285.08/15,575.13 = 7,036.83/x
  3. Step 3: Cross multiply
    11,285.08x = 15,575.13 × 7,036.83
  4. Step 4: Simplify right side
    11,285.08x = 109,599,542.04
  5. Step 5: Solve for x
    x = 109,599,542.04/11,285.08
  6. Step 6: Final answer
    x = 9,711.90

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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.