Home / 10,330.13-15,492.47-4,485.38

Finding the Fourth Proportional to 10,330.13, 15,492.47 and 4,485.38

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Solution

The fourth proportional to 10,330.13, 15,492.47 and 4,485.38 is: 6,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.13 : 15,492.47 = 4,485.38 : x
  2. Step 2: Convert to fraction form
    10,330.13/15,492.47 = 4,485.38/x
  3. Step 3: Cross multiply
    10,330.13x = 15,492.47 × 4,485.38
  4. Step 4: Simplify right side
    10,330.13x = 69,489,515.20
  5. Step 5: Solve for x
    x = 69,489,515.20/10,330.13
  6. Step 6: Final answer
    x = 6,726.88

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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.