Home / 10,969.02-15,137.28-6,253.20

Finding the Fourth Proportional to 10,969.02, 15,137.28 and 6,253.20

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Solution

The fourth proportional to 10,969.02, 15,137.28 and 6,253.20 is: 8,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.02 : 15,137.28 = 6,253.20 : x
  2. Step 2: Convert to fraction form
    10,969.02/15,137.28 = 6,253.20/x
  3. Step 3: Cross multiply
    10,969.02x = 15,137.28 × 6,253.20
  4. Step 4: Simplify right side
    10,969.02x = 94,656,439.30
  5. Step 5: Solve for x
    x = 94,656,439.30/10,969.02
  6. Step 6: Final answer
    x = 8,629.43

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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.