Home / 10,947.70-16,411.95-6,566.90

Finding the Fourth Proportional to 10,947.70, 16,411.95 and 6,566.90

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Solution

The fourth proportional to 10,947.70, 16,411.95 and 6,566.90 is: 9,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.70 : 16,411.95 = 6,566.90 : x
  2. Step 2: Convert to fraction form
    10,947.70/16,411.95 = 6,566.90/x
  3. Step 3: Cross multiply
    10,947.70x = 16,411.95 × 6,566.90
  4. Step 4: Simplify right side
    10,947.70x = 107,775,634.46
  5. Step 5: Solve for x
    x = 107,775,634.46/10,947.70
  6. Step 6: Final answer
    x = 9,844.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.