Home / 9,943.84-13,721.70-5,752.36

Finding the Fourth Proportional to 9,943.84, 13,721.70 and 5,752.36

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Solution

The fourth proportional to 9,943.84, 13,721.70 and 5,752.36 is: 7,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.84 : 13,721.70 = 5,752.36 : x
  2. Step 2: Convert to fraction form
    9,943.84/13,721.70 = 5,752.36/x
  3. Step 3: Cross multiply
    9,943.84x = 13,721.70 × 5,752.36
  4. Step 4: Simplify right side
    9,943.84x = 78,932,158.21
  5. Step 5: Solve for x
    x = 78,932,158.21/9,943.84
  6. Step 6: Final answer
    x = 7,937.79

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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.