Home / 8,907.32-13,295.19-7,856.73

Finding the Fourth Proportional to 8,907.32, 13,295.19 and 7,856.73

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Solution

The fourth proportional to 8,907.32, 13,295.19 and 7,856.73 is: 11,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.32 : 13,295.19 = 7,856.73 : x
  2. Step 2: Convert to fraction form
    8,907.32/13,295.19 = 7,856.73/x
  3. Step 3: Cross multiply
    8,907.32x = 13,295.19 × 7,856.73
  4. Step 4: Simplify right side
    8,907.32x = 104,456,718.13
  5. Step 5: Solve for x
    x = 104,456,718.13/8,907.32
  6. Step 6: Final answer
    x = 11,727.07

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.