Home / 11,710.28-17,565.33-4,779.92

Finding the Fourth Proportional to 11,710.28, 17,565.33 and 4,779.92

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Solution

The fourth proportional to 11,710.28, 17,565.33 and 4,779.92 is: 7,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.28 : 17,565.33 = 4,779.92 : x
  2. Step 2: Convert to fraction form
    11,710.28/17,565.33 = 4,779.92/x
  3. Step 3: Cross multiply
    11,710.28x = 17,565.33 × 4,779.92
  4. Step 4: Simplify right side
    11,710.28x = 83,960,872.17
  5. Step 5: Solve for x
    x = 83,960,872.17/11,710.28
  6. Step 6: Final answer
    x = 7,169.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.