Home / 10,415.68-15,632.76-4,872.04

Finding the Fourth Proportional to 10,415.68, 15,632.76 and 4,872.04

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Solution

The fourth proportional to 10,415.68, 15,632.76 and 4,872.04 is: 7,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.68 : 15,632.76 = 4,872.04 : x
  2. Step 2: Convert to fraction form
    10,415.68/15,632.76 = 4,872.04/x
  3. Step 3: Cross multiply
    10,415.68x = 15,632.76 × 4,872.04
  4. Step 4: Simplify right side
    10,415.68x = 76,163,432.03
  5. Step 5: Solve for x
    x = 76,163,432.03/10,415.68
  6. Step 6: Final answer
    x = 7,312.38

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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.