Home / 9,387.92-12,955.34-5,851.13

Finding the Fourth Proportional to 9,387.92, 12,955.34 and 5,851.13

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Solution

The fourth proportional to 9,387.92, 12,955.34 and 5,851.13 is: 8,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.92 : 12,955.34 = 5,851.13 : x
  2. Step 2: Convert to fraction form
    9,387.92/12,955.34 = 5,851.13/x
  3. Step 3: Cross multiply
    9,387.92x = 12,955.34 × 5,851.13
  4. Step 4: Simplify right side
    9,387.92x = 75,803,295.47
  5. Step 5: Solve for x
    x = 75,803,295.47/9,387.92
  6. Step 6: Final answer
    x = 8,074.56

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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.