Home / 7,298.20-10,947.30-4,965.40

Finding the Fourth Proportional to 7,298.20, 10,947.30 and 4,965.40

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Solution

The fourth proportional to 7,298.20, 10,947.30 and 4,965.40 is: 7,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.20 : 10,947.30 = 4,965.40 : x
  2. Step 2: Convert to fraction form
    7,298.20/10,947.30 = 4,965.40/x
  3. Step 3: Cross multiply
    7,298.20x = 10,947.30 × 4,965.40
  4. Step 4: Simplify right side
    7,298.20x = 54,357,723.42
  5. Step 5: Solve for x
    x = 54,357,723.42/7,298.20
  6. Step 6: Final answer
    x = 7,448.10

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Double scale
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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.