Home / 9,727.80-13,422.66-5,750.16

Finding the Fourth Proportional to 9,727.80, 13,422.66 and 5,750.16

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Solution

The fourth proportional to 9,727.80, 13,422.66 and 5,750.16 is: 7,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,727.80 : 13,422.66 = 5,750.16 : x
  2. Step 2: Convert to fraction form
    9,727.80/13,422.66 = 5,750.16/x
  3. Step 3: Cross multiply
    9,727.80x = 13,422.66 × 5,750.16
  4. Step 4: Simplify right side
    9,727.80x = 77,182,442.63
  5. Step 5: Solve for x
    x = 77,182,442.63/9,727.80
  6. Step 6: Final answer
    x = 7,934.21

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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.