Home / 9,829.92-13,565.46-5,580.87

Finding the Fourth Proportional to 9,829.92, 13,565.46 and 5,580.87

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Solution

The fourth proportional to 9,829.92, 13,565.46 and 5,580.87 is: 7,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.92 : 13,565.46 = 5,580.87 : x
  2. Step 2: Convert to fraction form
    9,829.92/13,565.46 = 5,580.87/x
  3. Step 3: Cross multiply
    9,829.92x = 13,565.46 × 5,580.87
  4. Step 4: Simplify right side
    9,829.92x = 75,707,068.75
  5. Step 5: Solve for x
    x = 75,707,068.75/9,829.92
  6. Step 6: Final answer
    x = 7,701.70

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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.