Home / 7,512.47-10,356.21-5,267.57

Finding the Fourth Proportional to 7,512.47, 10,356.21 and 5,267.57

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Solution

The fourth proportional to 7,512.47, 10,356.21 and 5,267.57 is: 7,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.47 : 10,356.21 = 5,267.57 : x
  2. Step 2: Convert to fraction form
    7,512.47/10,356.21 = 5,267.57/x
  3. Step 3: Cross multiply
    7,512.47x = 10,356.21 × 5,267.57
  4. Step 4: Simplify right side
    7,512.47x = 54,552,061.11
  5. Step 5: Solve for x
    x = 54,552,061.11/7,512.47
  6. Step 6: Final answer
    x = 7,261.53

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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.