Home / 10,363.05-14,302.72-6,115.15

Finding the Fourth Proportional to 10,363.05, 14,302.72 and 6,115.15

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Solution

The fourth proportional to 10,363.05, 14,302.72 and 6,115.15 is: 8,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.05 : 14,302.72 = 6,115.15 : x
  2. Step 2: Convert to fraction form
    10,363.05/14,302.72 = 6,115.15/x
  3. Step 3: Cross multiply
    10,363.05x = 14,302.72 × 6,115.15
  4. Step 4: Simplify right side
    10,363.05x = 87,463,278.21
  5. Step 5: Solve for x
    x = 87,463,278.21/10,363.05
  6. Step 6: Final answer
    x = 8,439.92

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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.