Home / 9,985.38-14,987.34-5,058.48

Finding the Fourth Proportional to 9,985.38, 14,987.34 and 5,058.48

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Solution

The fourth proportional to 9,985.38, 14,987.34 and 5,058.48 is: 7,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.38 : 14,987.34 = 5,058.48 : x
  2. Step 2: Convert to fraction form
    9,985.38/14,987.34 = 5,058.48/x
  3. Step 3: Cross multiply
    9,985.38x = 14,987.34 × 5,058.48
  4. Step 4: Simplify right side
    9,985.38x = 75,813,159.64
  5. Step 5: Solve for x
    x = 75,813,159.64/9,985.38
  6. Step 6: Final answer
    x = 7,592.42

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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.