Home / 9,125.40-12,593.03-5,146.49

Finding the Fourth Proportional to 9,125.40, 12,593.03 and 5,146.49

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Solution

The fourth proportional to 9,125.40, 12,593.03 and 5,146.49 is: 7,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.40 : 12,593.03 = 5,146.49 : x
  2. Step 2: Convert to fraction form
    9,125.40/12,593.03 = 5,146.49/x
  3. Step 3: Cross multiply
    9,125.40x = 12,593.03 × 5,146.49
  4. Step 4: Simplify right side
    9,125.40x = 64,809,908.71
  5. Step 5: Solve for x
    x = 64,809,908.71/9,125.40
  6. Step 6: Final answer
    x = 7,102.14

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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.