Home / 9,543.04-13,169.36-5,351.28

Finding the Fourth Proportional to 9,543.04, 13,169.36 and 5,351.28

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Solution

The fourth proportional to 9,543.04, 13,169.36 and 5,351.28 is: 7,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.04 : 13,169.36 = 5,351.28 : x
  2. Step 2: Convert to fraction form
    9,543.04/13,169.36 = 5,351.28/x
  3. Step 3: Cross multiply
    9,543.04x = 13,169.36 × 5,351.28
  4. Step 4: Simplify right side
    9,543.04x = 70,472,932.78
  5. Step 5: Solve for x
    x = 70,472,932.78/9,543.04
  6. Step 6: Final answer
    x = 7,384.75

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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.