Home / 7,356.02-10,142.82-5,862.78

Finding the Fourth Proportional to 7,356.02, 10,142.82 and 5,862.78

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Solution

The fourth proportional to 7,356.02, 10,142.82 and 5,862.78 is: 8,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.02 : 10,142.82 = 5,862.78 : x
  2. Step 2: Convert to fraction form
    7,356.02/10,142.82 = 5,862.78/x
  3. Step 3: Cross multiply
    7,356.02x = 10,142.82 × 5,862.78
  4. Step 4: Simplify right side
    7,356.02x = 59,465,122.24
  5. Step 5: Solve for x
    x = 59,465,122.24/7,356.02
  6. Step 6: Final answer
    x = 8,083.88

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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.