Home / 7,947.87-11,018.27-7,526.58

Finding the Fourth Proportional to 7,947.87, 11,018.27 and 7,526.58

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Solution

The fourth proportional to 7,947.87, 11,018.27 and 7,526.58 is: 10,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.87 : 11,018.27 = 7,526.58 : x
  2. Step 2: Convert to fraction form
    7,947.87/11,018.27 = 7,526.58/x
  3. Step 3: Cross multiply
    7,947.87x = 11,018.27 × 7,526.58
  4. Step 4: Simplify right side
    7,947.87x = 82,929,890.62
  5. Step 5: Solve for x
    x = 82,929,890.62/7,947.87
  6. Step 6: Final answer
    x = 10,434.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.