Home / 11,660.24-16,088.28-7,474.16

Finding the Fourth Proportional to 11,660.24, 16,088.28 and 7,474.16

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Solution

The fourth proportional to 11,660.24, 16,088.28 and 7,474.16 is: 10,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.24 : 16,088.28 = 7,474.16 : x
  2. Step 2: Convert to fraction form
    11,660.24/16,088.28 = 7,474.16/x
  3. Step 3: Cross multiply
    11,660.24x = 16,088.28 × 7,474.16
  4. Step 4: Simplify right side
    11,660.24x = 120,246,378.84
  5. Step 5: Solve for x
    x = 120,246,378.84/11,660.24
  6. Step 6: Final answer
    x = 10,312.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.