Home / 11,260.25-15,542.79-7,068.50

Finding the Fourth Proportional to 11,260.25, 15,542.79 and 7,068.50

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Solution

The fourth proportional to 11,260.25, 15,542.79 and 7,068.50 is: 9,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.25 : 15,542.79 = 7,068.50 : x
  2. Step 2: Convert to fraction form
    11,260.25/15,542.79 = 7,068.50/x
  3. Step 3: Cross multiply
    11,260.25x = 15,542.79 × 7,068.50
  4. Step 4: Simplify right side
    11,260.25x = 109,864,211.12
  5. Step 5: Solve for x
    x = 109,864,211.12/11,260.25
  6. Step 6: Final answer
    x = 9,756.82

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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.