Home / 10,715.92-14,795.20-6,684.32

Finding the Fourth Proportional to 10,715.92, 14,795.20 and 6,684.32

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Solution

The fourth proportional to 10,715.92, 14,795.20 and 6,684.32 is: 9,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.92 : 14,795.20 = 6,684.32 : x
  2. Step 2: Convert to fraction form
    10,715.92/14,795.20 = 6,684.32/x
  3. Step 3: Cross multiply
    10,715.92x = 14,795.20 × 6,684.32
  4. Step 4: Simplify right side
    10,715.92x = 98,895,851.26
  5. Step 5: Solve for x
    x = 98,895,851.26/10,715.92
  6. Step 6: Final answer
    x = 9,228.87

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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.