Home / 7,299.20-10,948.80-4,966.40

Finding the Fourth Proportional to 7,299.20, 10,948.80 and 4,966.40

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Solution

The fourth proportional to 7,299.20, 10,948.80 and 4,966.40 is: 7,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.20 : 10,948.80 = 4,966.40 : x
  2. Step 2: Convert to fraction form
    7,299.20/10,948.80 = 4,966.40/x
  3. Step 3: Cross multiply
    7,299.20x = 10,948.80 × 4,966.40
  4. Step 4: Simplify right side
    7,299.20x = 54,376,120.32
  5. Step 5: Solve for x
    x = 54,376,120.32/7,299.20
  6. Step 6: Final answer
    x = 7,449.60

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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.