Home / 7,246.10-10,865.10-3,345.68

Finding the Fourth Proportional to 7,246.10, 10,865.10 and 3,345.68

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Solution

The fourth proportional to 7,246.10, 10,865.10 and 3,345.68 is: 5,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.10 : 10,865.10 = 3,345.68 : x
  2. Step 2: Convert to fraction form
    7,246.10/10,865.10 = 3,345.68/x
  3. Step 3: Cross multiply
    7,246.10x = 10,865.10 × 3,345.68
  4. Step 4: Simplify right side
    7,246.10x = 36,351,147.77
  5. Step 5: Solve for x
    x = 36,351,147.77/7,246.10
  6. Step 6: Final answer
    x = 5,016.65

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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.