Home / 9,316.40-13,958.18-4,924.20

Finding the Fourth Proportional to 9,316.40, 13,958.18 and 4,924.20

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Solution

The fourth proportional to 9,316.40, 13,958.18 and 4,924.20 is: 7,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.40 : 13,958.18 = 4,924.20 : x
  2. Step 2: Convert to fraction form
    9,316.40/13,958.18 = 4,924.20/x
  3. Step 3: Cross multiply
    9,316.40x = 13,958.18 × 4,924.20
  4. Step 4: Simplify right side
    9,316.40x = 68,732,869.96
  5. Step 5: Solve for x
    x = 68,732,869.96/9,316.40
  6. Step 6: Final answer
    x = 7,377.62

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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.