Home / 7,341.18-11,011.77-2,660.10

Finding the Fourth Proportional to 7,341.18, 11,011.77 and 2,660.10

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Solution

The fourth proportional to 7,341.18, 11,011.77 and 2,660.10 is: 3,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.18 : 11,011.77 = 2,660.10 : x
  2. Step 2: Convert to fraction form
    7,341.18/11,011.77 = 2,660.10/x
  3. Step 3: Cross multiply
    7,341.18x = 11,011.77 × 2,660.10
  4. Step 4: Simplify right side
    7,341.18x = 29,292,409.38
  5. Step 5: Solve for x
    x = 29,292,409.38/7,341.18
  6. Step 6: Final answer
    x = 3,990.15

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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.