Home / 6,909.29-10,363.94-1,715.16

Finding the Fourth Proportional to 6,909.29, 10,363.94 and 1,715.16

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Solution

The fourth proportional to 6,909.29, 10,363.94 and 1,715.16 is: 2,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.29 : 10,363.94 = 1,715.16 : x
  2. Step 2: Convert to fraction form
    6,909.29/10,363.94 = 1,715.16/x
  3. Step 3: Cross multiply
    6,909.29x = 10,363.94 × 1,715.16
  4. Step 4: Simplify right side
    6,909.29x = 17,775,806.75
  5. Step 5: Solve for x
    x = 17,775,806.75/6,909.29
  6. Step 6: Final answer
    x = 2,572.74

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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.