Home / 10,272.74-15,412.20-4,346.57

Finding the Fourth Proportional to 10,272.74, 15,412.20 and 4,346.57

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Solution

The fourth proportional to 10,272.74, 15,412.20 and 4,346.57 is: 6,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.74 : 15,412.20 = 4,346.57 : x
  2. Step 2: Convert to fraction form
    10,272.74/15,412.20 = 4,346.57/x
  3. Step 3: Cross multiply
    10,272.74x = 15,412.20 × 4,346.57
  4. Step 4: Simplify right side
    10,272.74x = 66,990,206.15
  5. Step 5: Solve for x
    x = 66,990,206.15/10,272.74
  6. Step 6: Final answer
    x = 6,521.16

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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.