Home / 9,839.17-13,578.47-5,363.16

Finding the Fourth Proportional to 9,839.17, 13,578.47 and 5,363.16

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Solution

The fourth proportional to 9,839.17, 13,578.47 and 5,363.16 is: 7,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.17 : 13,578.47 = 5,363.16 : x
  2. Step 2: Convert to fraction form
    9,839.17/13,578.47 = 5,363.16/x
  3. Step 3: Cross multiply
    9,839.17x = 13,578.47 × 5,363.16
  4. Step 4: Simplify right side
    9,839.17x = 72,823,507.17
  5. Step 5: Solve for x
    x = 72,823,507.17/9,839.17
  6. Step 6: Final answer
    x = 7,401.39

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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.