Home / 9,724.97-13,420.73-5,948.06

Finding the Fourth Proportional to 9,724.97, 13,420.73 and 5,948.06

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Solution

The fourth proportional to 9,724.97, 13,420.73 and 5,948.06 is: 8,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.97 : 13,420.73 = 5,948.06 : x
  2. Step 2: Convert to fraction form
    9,724.97/13,420.73 = 5,948.06/x
  3. Step 3: Cross multiply
    9,724.97x = 13,420.73 × 5,948.06
  4. Step 4: Simplify right side
    9,724.97x = 79,827,311.10
  5. Step 5: Solve for x
    x = 79,827,311.10/9,724.97
  6. Step 6: Final answer
    x = 8,208.49

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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.