Home / 10,132.37-13,983.38-5,657

Finding the Fourth Proportional to 10,132.37, 13,983.38 and 5,657

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Solution

The fourth proportional to 10,132.37, 13,983.38 and 5,657 is: 7,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.37 : 13,983.38 = 5,657 : x
  2. Step 2: Convert to fraction form
    10,132.37/13,983.38 = 5,657/x
  3. Step 3: Cross multiply
    10,132.37x = 13,983.38 × 5,657
  4. Step 4: Simplify right side
    10,132.37x = 79,103,980.66
  5. Step 5: Solve for x
    x = 79,103,980.66/10,132.37
  6. Step 6: Final answer
    x = 7,807.06

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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.