Home / 11,278.24-15,565.60-6,564.04

Finding the Fourth Proportional to 11,278.24, 15,565.60 and 6,564.04

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Solution

The fourth proportional to 11,278.24, 15,565.60 and 6,564.04 is: 9,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.24 : 15,565.60 = 6,564.04 : x
  2. Step 2: Convert to fraction form
    11,278.24/15,565.60 = 6,564.04/x
  3. Step 3: Cross multiply
    11,278.24x = 15,565.60 × 6,564.04
  4. Step 4: Simplify right side
    11,278.24x = 102,173,221.02
  5. Step 5: Solve for x
    x = 102,173,221.02/11,278.24
  6. Step 6: Final answer
    x = 9,059.32

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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.