Home / 9,193.29-12,687.36-5,214.66

Finding the Fourth Proportional to 9,193.29, 12,687.36 and 5,214.66

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Solution

The fourth proportional to 9,193.29, 12,687.36 and 5,214.66 is: 7,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.29 : 12,687.36 = 5,214.66 : x
  2. Step 2: Convert to fraction form
    9,193.29/12,687.36 = 5,214.66/x
  3. Step 3: Cross multiply
    9,193.29x = 12,687.36 × 5,214.66
  4. Step 4: Simplify right side
    9,193.29x = 66,160,268.70
  5. Step 5: Solve for x
    x = 66,160,268.70/9,193.29
  6. Step 6: Final answer
    x = 7,196.58

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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.