Home / 11,275.93-15,567.04-6,800.82

Finding the Fourth Proportional to 11,275.93, 15,567.04 and 6,800.82

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Solution

The fourth proportional to 11,275.93, 15,567.04 and 6,800.82 is: 9,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.93 : 15,567.04 = 6,800.82 : x
  2. Step 2: Convert to fraction form
    11,275.93/15,567.04 = 6,800.82/x
  3. Step 3: Cross multiply
    11,275.93x = 15,567.04 × 6,800.82
  4. Step 4: Simplify right side
    11,275.93x = 105,868,636.97
  5. Step 5: Solve for x
    x = 105,868,636.97/11,275.93
  6. Step 6: Final answer
    x = 9,388.91

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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.