Home / 9,343.13-12,893.51-5,151.65

Finding the Fourth Proportional to 9,343.13, 12,893.51 and 5,151.65

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Solution

The fourth proportional to 9,343.13, 12,893.51 and 5,151.65 is: 7,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.13 : 12,893.51 = 5,151.65 : x
  2. Step 2: Convert to fraction form
    9,343.13/12,893.51 = 5,151.65/x
  3. Step 3: Cross multiply
    9,343.13x = 12,893.51 × 5,151.65
  4. Step 4: Simplify right side
    9,343.13x = 66,422,799.20
  5. Step 5: Solve for x
    x = 66,422,799.20/9,343.13
  6. Step 6: Final answer
    x = 7,109.27

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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.