Home / 8,895.70-12,275.37-5,119.08

Finding the Fourth Proportional to 8,895.70, 12,275.37 and 5,119.08

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Solution

The fourth proportional to 8,895.70, 12,275.37 and 5,119.08 is: 7,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.70 : 12,275.37 = 5,119.08 : x
  2. Step 2: Convert to fraction form
    8,895.70/12,275.37 = 5,119.08/x
  3. Step 3: Cross multiply
    8,895.70x = 12,275.37 × 5,119.08
  4. Step 4: Simplify right side
    8,895.70x = 62,838,539.68
  5. Step 5: Solve for x
    x = 62,838,539.68/8,895.70
  6. Step 6: Final answer
    x = 7,063.92

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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.