Home / 8,432.07-11,635.95-4,655.15

Finding the Fourth Proportional to 8,432.07, 11,635.95 and 4,655.15

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Solution

The fourth proportional to 8,432.07, 11,635.95 and 4,655.15 is: 6,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.07 : 11,635.95 = 4,655.15 : x
  2. Step 2: Convert to fraction form
    8,432.07/11,635.95 = 4,655.15/x
  3. Step 3: Cross multiply
    8,432.07x = 11,635.95 × 4,655.15
  4. Step 4: Simplify right side
    8,432.07x = 54,167,113.00
  5. Step 5: Solve for x
    x = 54,167,113.00/8,432.07
  6. Step 6: Final answer
    x = 6,423.94

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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.