Home / 7,345.76-11,013.75-2,665.16

Finding the Fourth Proportional to 7,345.76, 11,013.75 and 2,665.16

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Solution

The fourth proportional to 7,345.76, 11,013.75 and 2,665.16 is: 3,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.76 : 11,013.75 = 2,665.16 : x
  2. Step 2: Convert to fraction form
    7,345.76/11,013.75 = 2,665.16/x
  3. Step 3: Cross multiply
    7,345.76x = 11,013.75 × 2,665.16
  4. Step 4: Simplify right side
    7,345.76x = 29,353,449.14
  5. Step 5: Solve for x
    x = 29,353,449.14/7,345.76
  6. Step 6: Final answer
    x = 3,995.97

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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.