Home / 9,322.90-12,867.45-5,346.70

Finding the Fourth Proportional to 9,322.90, 12,867.45 and 5,346.70

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Solution

The fourth proportional to 9,322.90, 12,867.45 and 5,346.70 is: 7,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.90 : 12,867.45 = 5,346.70 : x
  2. Step 2: Convert to fraction form
    9,322.90/12,867.45 = 5,346.70/x
  3. Step 3: Cross multiply
    9,322.90x = 12,867.45 × 5,346.70
  4. Step 4: Simplify right side
    9,322.90x = 68,798,394.92
  5. Step 5: Solve for x
    x = 68,798,394.92/9,322.90
  6. Step 6: Final answer
    x = 7,379.51

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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.