Home / 10,942.05-15,098.25-6,465.18

Finding the Fourth Proportional to 10,942.05, 15,098.25 and 6,465.18

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Solution

The fourth proportional to 10,942.05, 15,098.25 and 6,465.18 is: 8,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.05 : 15,098.25 = 6,465.18 : x
  2. Step 2: Convert to fraction form
    10,942.05/15,098.25 = 6,465.18/x
  3. Step 3: Cross multiply
    10,942.05x = 15,098.25 × 6,465.18
  4. Step 4: Simplify right side
    10,942.05x = 97,612,903.94
  5. Step 5: Solve for x
    x = 97,612,903.94/10,942.05
  6. Step 6: Final answer
    x = 8,920.90

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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.