Home / 10,122.32-13,975.68-6,347.04

Finding the Fourth Proportional to 10,122.32, 13,975.68 and 6,347.04

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Solution

The fourth proportional to 10,122.32, 13,975.68 and 6,347.04 is: 8,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.32 : 13,975.68 = 6,347.04 : x
  2. Step 2: Convert to fraction form
    10,122.32/13,975.68 = 6,347.04/x
  3. Step 3: Cross multiply
    10,122.32x = 13,975.68 × 6,347.04
  4. Step 4: Simplify right side
    10,122.32x = 88,704,199.99
  5. Step 5: Solve for x
    x = 88,704,199.99/10,122.32
  6. Step 6: Final answer
    x = 8,763.23

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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.