Home / 7,353.86-11,008.91-4,423.28

Finding the Fourth Proportional to 7,353.86, 11,008.91 and 4,423.28

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Solution

The fourth proportional to 7,353.86, 11,008.91 and 4,423.28 is: 6,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.86 : 11,008.91 = 4,423.28 : x
  2. Step 2: Convert to fraction form
    7,353.86/11,008.91 = 4,423.28/x
  3. Step 3: Cross multiply
    7,353.86x = 11,008.91 × 4,423.28
  4. Step 4: Simplify right side
    7,353.86x = 48,695,491.42
  5. Step 5: Solve for x
    x = 48,695,491.42/7,353.86
  6. Step 6: Final answer
    x = 6,621.76

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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.