Home / 7,947.28-10,968.56-4,411.62

Finding the Fourth Proportional to 7,947.28, 10,968.56 and 4,411.62

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Solution

The fourth proportional to 7,947.28, 10,968.56 and 4,411.62 is: 6,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.28 : 10,968.56 = 4,411.62 : x
  2. Step 2: Convert to fraction form
    7,947.28/10,968.56 = 4,411.62/x
  3. Step 3: Cross multiply
    7,947.28x = 10,968.56 × 4,411.62
  4. Step 4: Simplify right side
    7,947.28x = 48,389,118.67
  5. Step 5: Solve for x
    x = 48,389,118.67/7,947.28
  6. Step 6: Final answer
    x = 6,088.76

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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.