Home / 10,242.24-15,369.34-4,318.76

Finding the Fourth Proportional to 10,242.24, 15,369.34 and 4,318.76

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Solution

The fourth proportional to 10,242.24, 15,369.34 and 4,318.76 is: 6,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.24 : 15,369.34 = 4,318.76 : x
  2. Step 2: Convert to fraction form
    10,242.24/15,369.34 = 4,318.76/x
  3. Step 3: Cross multiply
    10,242.24x = 15,369.34 × 4,318.76
  4. Step 4: Simplify right side
    10,242.24x = 66,376,490.82
  5. Step 5: Solve for x
    x = 66,376,490.82/10,242.24
  6. Step 6: Final answer
    x = 6,480.66

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1.5x scale

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.