Home / 9,359.61-12,916.05-5,110.76

Finding the Fourth Proportional to 9,359.61, 12,916.05 and 5,110.76

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Solution

The fourth proportional to 9,359.61, 12,916.05 and 5,110.76 is: 7,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.61 : 12,916.05 = 5,110.76 : x
  2. Step 2: Convert to fraction form
    9,359.61/12,916.05 = 5,110.76/x
  3. Step 3: Cross multiply
    9,359.61x = 12,916.05 × 5,110.76
  4. Step 4: Simplify right side
    9,359.61x = 66,010,767.12
  5. Step 5: Solve for x
    x = 66,010,767.12/9,359.61
  6. Step 6: Final answer
    x = 7,052.73

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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.