Home / 10,982.40-15,155.72-5,946.66

Finding the Fourth Proportional to 10,982.40, 15,155.72 and 5,946.66

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Solution

The fourth proportional to 10,982.40, 15,155.72 and 5,946.66 is: 8,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.40 : 15,155.72 = 5,946.66 : x
  2. Step 2: Convert to fraction form
    10,982.40/15,155.72 = 5,946.66/x
  3. Step 3: Cross multiply
    10,982.40x = 15,155.72 × 5,946.66
  4. Step 4: Simplify right side
    10,982.40x = 90,125,884.16
  5. Step 5: Solve for x
    x = 90,125,884.16/10,982.40
  6. Step 6: Final answer
    x = 8,206.39

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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.