Home / 9,731.20-13,432.08-5,955.52

Finding the Fourth Proportional to 9,731.20, 13,432.08 and 5,955.52

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Solution

The fourth proportional to 9,731.20, 13,432.08 and 5,955.52 is: 8,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.20 : 13,432.08 = 5,955.52 : x
  2. Step 2: Convert to fraction form
    9,731.20/13,432.08 = 5,955.52/x
  3. Step 3: Cross multiply
    9,731.20x = 13,432.08 × 5,955.52
  4. Step 4: Simplify right side
    9,731.20x = 79,995,021.08
  5. Step 5: Solve for x
    x = 79,995,021.08/9,731.20
  6. Step 6: Final answer
    x = 8,220.47

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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.