Home / 7,743.33-10,687.10-4,387.10

Finding the Fourth Proportional to 7,743.33, 10,687.10 and 4,387.10

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Solution

The fourth proportional to 7,743.33, 10,687.10 and 4,387.10 is: 6,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.33 : 10,687.10 = 4,387.10 : x
  2. Step 2: Convert to fraction form
    7,743.33/10,687.10 = 4,387.10/x
  3. Step 3: Cross multiply
    7,743.33x = 10,687.10 × 4,387.10
  4. Step 4: Simplify right side
    7,743.33x = 46,885,301.04
  5. Step 5: Solve for x
    x = 46,885,301.04/7,743.33
  6. Step 6: Final answer
    x = 6,054.93

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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.