Home / 10,104.66-15,152.67-4,255.38

Finding the Fourth Proportional to 10,104.66, 15,152.67 and 4,255.38

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Solution

The fourth proportional to 10,104.66, 15,152.67 and 4,255.38 is: 6,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.66 : 15,152.67 = 4,255.38 : x
  2. Step 2: Convert to fraction form
    10,104.66/15,152.67 = 4,255.38/x
  3. Step 3: Cross multiply
    10,104.66x = 15,152.67 × 4,255.38
  4. Step 4: Simplify right side
    10,104.66x = 64,480,368.86
  5. Step 5: Solve for x
    x = 64,480,368.86/10,104.66
  6. Step 6: Final answer
    x = 6,381.25

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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.