Home / 11,292.52-15,585.86-6,515.55

Finding the Fourth Proportional to 11,292.52, 15,585.86 and 6,515.55

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Solution

The fourth proportional to 11,292.52, 15,585.86 and 6,515.55 is: 8,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.52 : 15,585.86 = 6,515.55 : x
  2. Step 2: Convert to fraction form
    11,292.52/15,585.86 = 6,515.55/x
  3. Step 3: Cross multiply
    11,292.52x = 15,585.86 × 6,515.55
  4. Step 4: Simplify right side
    11,292.52x = 101,550,441.98
  5. Step 5: Solve for x
    x = 101,550,441.98/11,292.52
  6. Step 6: Final answer
    x = 8,992.72

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Double scale
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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.