Home / 9,327.10-12,867.34-5,347.30

Finding the Fourth Proportional to 9,327.10, 12,867.34 and 5,347.30

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Solution

The fourth proportional to 9,327.10, 12,867.34 and 5,347.30 is: 7,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.10 : 12,867.34 = 5,347.30 : x
  2. Step 2: Convert to fraction form
    9,327.10/12,867.34 = 5,347.30/x
  3. Step 3: Cross multiply
    9,327.10x = 12,867.34 × 5,347.30
  4. Step 4: Simplify right side
    9,327.10x = 68,805,462.85
  5. Step 5: Solve for x
    x = 68,805,462.85/9,327.10
  6. Step 6: Final answer
    x = 7,376.94

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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.