Home / 10,617.30-15,927.86-4,373.90

Finding the Fourth Proportional to 10,617.30, 15,927.86 and 4,373.90

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Solution

The fourth proportional to 10,617.30, 15,927.86 and 4,373.90 is: 6,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.30 : 15,927.86 = 4,373.90 : x
  2. Step 2: Convert to fraction form
    10,617.30/15,927.86 = 4,373.90/x
  3. Step 3: Cross multiply
    10,617.30x = 15,927.86 × 4,373.90
  4. Step 4: Simplify right side
    10,617.30x = 69,666,857.88
  5. Step 5: Solve for x
    x = 69,666,857.88/10,617.30
  6. Step 6: Final answer
    x = 6,561.64

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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.