Home / 9,523.04-13,142-5,331.20

Finding the Fourth Proportional to 9,523.04, 13,142 and 5,331.20

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Solution

The fourth proportional to 9,523.04, 13,142 and 5,331.20 is: 7,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.04 : 13,142 = 5,331.20 : x
  2. Step 2: Convert to fraction form
    9,523.04/13,142 = 5,331.20/x
  3. Step 3: Cross multiply
    9,523.04x = 13,142 × 5,331.20
  4. Step 4: Simplify right side
    9,523.04x = 70,062,630.40
  5. Step 5: Solve for x
    x = 70,062,630.40/9,523.04
  6. Step 6: Final answer
    x = 7,357.17

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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.