Home / 10,690.05-16,013.19-6,294.18

Finding the Fourth Proportional to 10,690.05, 16,013.19 and 6,294.18

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Solution

The fourth proportional to 10,690.05, 16,013.19 and 6,294.18 is: 9,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.05 : 16,013.19 = 6,294.18 : x
  2. Step 2: Convert to fraction form
    10,690.05/16,013.19 = 6,294.18/x
  3. Step 3: Cross multiply
    10,690.05x = 16,013.19 × 6,294.18
  4. Step 4: Simplify right side
    10,690.05x = 100,789,900.23
  5. Step 5: Solve for x
    x = 100,789,900.23/10,690.05
  6. Step 6: Final answer
    x = 9,428.38

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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.