Home / 9,261.11-12,780.51-5,069.36

Finding the Fourth Proportional to 9,261.11, 12,780.51 and 5,069.36

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Solution

The fourth proportional to 9,261.11, 12,780.51 and 5,069.36 is: 6,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.11 : 12,780.51 = 5,069.36 : x
  2. Step 2: Convert to fraction form
    9,261.11/12,780.51 = 5,069.36/x
  3. Step 3: Cross multiply
    9,261.11x = 12,780.51 × 5,069.36
  4. Step 4: Simplify right side
    9,261.11x = 64,789,006.17
  5. Step 5: Solve for x
    x = 64,789,006.17/9,261.11
  6. Step 6: Final answer
    x = 6,995.81

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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.