Home / 9,347.28-12,895.20-5,367.48

Finding the Fourth Proportional to 9,347.28, 12,895.20 and 5,367.48

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Solution

The fourth proportional to 9,347.28, 12,895.20 and 5,367.48 is: 7,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347.28 : 12,895.20 = 5,367.48 : x
  2. Step 2: Convert to fraction form
    9,347.28/12,895.20 = 5,367.48/x
  3. Step 3: Cross multiply
    9,347.28x = 12,895.20 × 5,367.48
  4. Step 4: Simplify right side
    9,347.28x = 69,214,728.10
  5. Step 5: Solve for x
    x = 69,214,728.10/9,347.28
  6. Step 6: Final answer
    x = 7,404.80

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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.