Home / 9,375.48-12,938.16-5,126.58

Finding the Fourth Proportional to 9,375.48, 12,938.16 and 5,126.58

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Solution

The fourth proportional to 9,375.48, 12,938.16 and 5,126.58 is: 7,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.48 : 12,938.16 = 5,126.58 : x
  2. Step 2: Convert to fraction form
    9,375.48/12,938.16 = 5,126.58/x
  3. Step 3: Cross multiply
    9,375.48x = 12,938.16 × 5,126.58
  4. Step 4: Simplify right side
    9,375.48x = 66,328,512.29
  5. Step 5: Solve for x
    x = 66,328,512.29/9,375.48
  6. Step 6: Final answer
    x = 7,074.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.