Home / 7,406.64-11,111.18-3,508.92

Finding the Fourth Proportional to 7,406.64, 11,111.18 and 3,508.92

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Solution

The fourth proportional to 7,406.64, 11,111.18 and 3,508.92 is: 5,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.64 : 11,111.18 = 3,508.92 : x
  2. Step 2: Convert to fraction form
    7,406.64/11,111.18 = 3,508.92/x
  3. Step 3: Cross multiply
    7,406.64x = 11,111.18 × 3,508.92
  4. Step 4: Simplify right side
    7,406.64x = 38,988,224.18
  5. Step 5: Solve for x
    x = 38,988,224.18/7,406.64
  6. Step 6: Final answer
    x = 5,263.96

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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.