Home / 10,172.75-15,264.89-4,700.75

Finding the Fourth Proportional to 10,172.75, 15,264.89 and 4,700.75

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Solution

The fourth proportional to 10,172.75, 15,264.89 and 4,700.75 is: 7,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.75 : 15,264.89 = 4,700.75 : x
  2. Step 2: Convert to fraction form
    10,172.75/15,264.89 = 4,700.75/x
  3. Step 3: Cross multiply
    10,172.75x = 15,264.89 × 4,700.75
  4. Step 4: Simplify right side
    10,172.75x = 71,756,408.16
  5. Step 5: Solve for x
    x = 71,756,408.16/10,172.75
  6. Step 6: Final answer
    x = 7,053.79

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1.5x scale

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.