Home / 9,084.29-12,536.64-5,309.82

Finding the Fourth Proportional to 9,084.29, 12,536.64 and 5,309.82

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Solution

The fourth proportional to 9,084.29, 12,536.64 and 5,309.82 is: 7,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.29 : 12,536.64 = 5,309.82 : x
  2. Step 2: Convert to fraction form
    9,084.29/12,536.64 = 5,309.82/x
  3. Step 3: Cross multiply
    9,084.29x = 12,536.64 × 5,309.82
  4. Step 4: Simplify right side
    9,084.29x = 66,567,301.80
  5. Step 5: Solve for x
    x = 66,567,301.80/9,084.29
  6. Step 6: Final answer
    x = 7,327.74

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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.