Home / 10,913.12-16,369.20-6,501.04

Finding the Fourth Proportional to 10,913.12, 16,369.20 and 6,501.04

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Solution

The fourth proportional to 10,913.12, 16,369.20 and 6,501.04 is: 9,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.12 : 16,369.20 = 6,501.04 : x
  2. Step 2: Convert to fraction form
    10,913.12/16,369.20 = 6,501.04/x
  3. Step 3: Cross multiply
    10,913.12x = 16,369.20 × 6,501.04
  4. Step 4: Simplify right side
    10,913.12x = 106,416,823.97
  5. Step 5: Solve for x
    x = 106,416,823.97/10,913.12
  6. Step 6: Final answer
    x = 9,751.27

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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.