Home / 9,139.14-12,600.28-7,495.96

Finding the Fourth Proportional to 9,139.14, 12,600.28 and 7,495.96

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Solution

The fourth proportional to 9,139.14, 12,600.28 and 7,495.96 is: 10,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.14 : 12,600.28 = 7,495.96 : x
  2. Step 2: Convert to fraction form
    9,139.14/12,600.28 = 7,495.96/x
  3. Step 3: Cross multiply
    9,139.14x = 12,600.28 × 7,495.96
  4. Step 4: Simplify right side
    9,139.14x = 94,451,157.39
  5. Step 5: Solve for x
    x = 94,451,157.39/9,139.14
  6. Step 6: Final answer
    x = 10,334.80

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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.