Home / 9,335.44-12,882.95-5,143.69

Finding the Fourth Proportional to 9,335.44, 12,882.95 and 5,143.69

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Solution

The fourth proportional to 9,335.44, 12,882.95 and 5,143.69 is: 7,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.44 : 12,882.95 = 5,143.69 : x
  2. Step 2: Convert to fraction form
    9,335.44/12,882.95 = 5,143.69/x
  3. Step 3: Cross multiply
    9,335.44x = 12,882.95 × 5,143.69
  4. Step 4: Simplify right side
    9,335.44x = 66,265,875.37
  5. Step 5: Solve for x
    x = 66,265,875.37/9,335.44
  6. Step 6: Final answer
    x = 7,098.31

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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.