Home / 9,425.80-14,139.02-4,743.28

Finding the Fourth Proportional to 9,425.80, 14,139.02 and 4,743.28

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Solution

The fourth proportional to 9,425.80, 14,139.02 and 4,743.28 is: 7,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.80 : 14,139.02 = 4,743.28 : x
  2. Step 2: Convert to fraction form
    9,425.80/14,139.02 = 4,743.28/x
  3. Step 3: Cross multiply
    9,425.80x = 14,139.02 × 4,743.28
  4. Step 4: Simplify right side
    9,425.80x = 67,065,330.79
  5. Step 5: Solve for x
    x = 67,065,330.79/9,425.80
  6. Step 6: Final answer
    x = 7,115.08

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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.