Home / 11,346.02-15,655.19-6,629.39

Finding the Fourth Proportional to 11,346.02, 15,655.19 and 6,629.39

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Solution

The fourth proportional to 11,346.02, 15,655.19 and 6,629.39 is: 9,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.02 : 15,655.19 = 6,629.39 : x
  2. Step 2: Convert to fraction form
    11,346.02/15,655.19 = 6,629.39/x
  3. Step 3: Cross multiply
    11,346.02x = 15,655.19 × 6,629.39
  4. Step 4: Simplify right side
    11,346.02x = 103,784,248.61
  5. Step 5: Solve for x
    x = 103,784,248.61/11,346.02
  6. Step 6: Final answer
    x = 9,147.20

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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.