Home / 10,982.09-15,155.30-5,946.32

Finding the Fourth Proportional to 10,982.09, 15,155.30 and 5,946.32

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Solution

The fourth proportional to 10,982.09, 15,155.30 and 5,946.32 is: 8,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.09 : 15,155.30 = 5,946.32 : x
  2. Step 2: Convert to fraction form
    10,982.09/15,155.30 = 5,946.32/x
  3. Step 3: Cross multiply
    10,982.09x = 15,155.30 × 5,946.32
  4. Step 4: Simplify right side
    10,982.09x = 90,118,197.55
  5. Step 5: Solve for x
    x = 90,118,197.55/10,982.09
  6. Step 6: Final answer
    x = 8,205.92

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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.