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Finding the Fourth Proportional to 10,443.66, 15,646.60 and 6,925.29

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Solution

The fourth proportional to 10,443.66, 15,646.60 and 6,925.29 is: 10,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.66 : 15,646.60 = 6,925.29 : x
  2. Step 2: Convert to fraction form
    10,443.66/15,646.60 = 6,925.29/x
  3. Step 3: Cross multiply
    10,443.66x = 15,646.60 × 6,925.29
  4. Step 4: Simplify right side
    10,443.66x = 108,357,242.51
  5. Step 5: Solve for x
    x = 108,357,242.51/10,443.66
  6. Step 6: Final answer
    x = 10,375.41

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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.