Home / 11,278.17-15,552.41-6,801.03

Finding the Fourth Proportional to 11,278.17, 15,552.41 and 6,801.03

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Solution

The fourth proportional to 11,278.17, 15,552.41 and 6,801.03 is: 9,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.17 : 15,552.41 = 6,801.03 : x
  2. Step 2: Convert to fraction form
    11,278.17/15,552.41 = 6,801.03/x
  3. Step 3: Cross multiply
    11,278.17x = 15,552.41 × 6,801.03
  4. Step 4: Simplify right side
    11,278.17x = 105,772,372.98
  5. Step 5: Solve for x
    x = 105,772,372.98/11,278.17
  6. Step 6: Final answer
    x = 9,378.50

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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.