Home / 12,300.76-18,446.64-4,401.16

Finding the Fourth Proportional to 12,300.76, 18,446.64 and 4,401.16

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Solution

The fourth proportional to 12,300.76, 18,446.64 and 4,401.16 is: 6,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.76 : 18,446.64 = 4,401.16 : x
  2. Step 2: Convert to fraction form
    12,300.76/18,446.64 = 4,401.16/x
  3. Step 3: Cross multiply
    12,300.76x = 18,446.64 × 4,401.16
  4. Step 4: Simplify right side
    12,300.76x = 81,186,614.10
  5. Step 5: Solve for x
    x = 81,186,614.10/12,300.76
  6. Step 6: Final answer
    x = 6,600.13

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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.