Home / 11,329.47-15,634.40-6,293.70

Finding the Fourth Proportional to 11,329.47, 15,634.40 and 6,293.70

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Solution

The fourth proportional to 11,329.47, 15,634.40 and 6,293.70 is: 8,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.47 : 15,634.40 = 6,293.70 : x
  2. Step 2: Convert to fraction form
    11,329.47/15,634.40 = 6,293.70/x
  3. Step 3: Cross multiply
    11,329.47x = 15,634.40 × 6,293.70
  4. Step 4: Simplify right side
    11,329.47x = 98,398,191.81
  5. Step 5: Solve for x
    x = 98,398,191.81/11,329.47
  6. Step 6: Final answer
    x = 8,685.15

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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.