Home / 10,947.92-16,422.78-4,708.08

Finding the Fourth Proportional to 10,947.92, 16,422.78 and 4,708.08

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Solution

The fourth proportional to 10,947.92, 16,422.78 and 4,708.08 is: 7,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.92 : 16,422.78 = 4,708.08 : x
  2. Step 2: Convert to fraction form
    10,947.92/16,422.78 = 4,708.08/x
  3. Step 3: Cross multiply
    10,947.92x = 16,422.78 × 4,708.08
  4. Step 4: Simplify right side
    10,947.92x = 77,319,762.06
  5. Step 5: Solve for x
    x = 77,319,762.06/10,947.92
  6. Step 6: Final answer
    x = 7,062.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.