Home / 11,565.64-15,960.66-6,260.50

Finding the Fourth Proportional to 11,565.64, 15,960.66 and 6,260.50

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Solution

The fourth proportional to 11,565.64, 15,960.66 and 6,260.50 is: 8,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.64 : 15,960.66 = 6,260.50 : x
  2. Step 2: Convert to fraction form
    11,565.64/15,960.66 = 6,260.50/x
  3. Step 3: Cross multiply
    11,565.64x = 15,960.66 × 6,260.50
  4. Step 4: Simplify right side
    11,565.64x = 99,921,711.93
  5. Step 5: Solve for x
    x = 99,921,711.93/11,565.64
  6. Step 6: Final answer
    x = 8,639.53

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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.