Home / 9,160.47-12,641.45-4,968.72

Finding the Fourth Proportional to 9,160.47, 12,641.45 and 4,968.72

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Solution

The fourth proportional to 9,160.47, 12,641.45 and 4,968.72 is: 6,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.47 : 12,641.45 = 4,968.72 : x
  2. Step 2: Convert to fraction form
    9,160.47/12,641.45 = 4,968.72/x
  3. Step 3: Cross multiply
    9,160.47x = 12,641.45 × 4,968.72
  4. Step 4: Simplify right side
    9,160.47x = 62,811,800.60
  5. Step 5: Solve for x
    x = 62,811,800.60/9,160.47
  6. Step 6: Final answer
    x = 6,856.83

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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.