Home / 12,168.16-18,252.24-4,776.10

Finding the Fourth Proportional to 12,168.16, 18,252.24 and 4,776.10

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Solution

The fourth proportional to 12,168.16, 18,252.24 and 4,776.10 is: 7,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.16 : 18,252.24 = 4,776.10 : x
  2. Step 2: Convert to fraction form
    12,168.16/18,252.24 = 4,776.10/x
  3. Step 3: Cross multiply
    12,168.16x = 18,252.24 × 4,776.10
  4. Step 4: Simplify right side
    12,168.16x = 87,174,523.46
  5. Step 5: Solve for x
    x = 87,174,523.46/12,168.16
  6. Step 6: Final answer
    x = 7,164.15

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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.