Home / 10,312.92-14,231.84-5,597.20

Finding the Fourth Proportional to 10,312.92, 14,231.84 and 5,597.20

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Solution

The fourth proportional to 10,312.92, 14,231.84 and 5,597.20 is: 7,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.92 : 14,231.84 = 5,597.20 : x
  2. Step 2: Convert to fraction form
    10,312.92/14,231.84 = 5,597.20/x
  3. Step 3: Cross multiply
    10,312.92x = 14,231.84 × 5,597.20
  4. Step 4: Simplify right side
    10,312.92x = 79,658,491.88
  5. Step 5: Solve for x
    x = 79,658,491.88/10,312.92
  6. Step 6: Final answer
    x = 7,724.15

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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.