Home / 12,401.10-18,612.99-5,831.19

Finding the Fourth Proportional to 12,401.10, 18,612.99 and 5,831.19

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Solution

The fourth proportional to 12,401.10, 18,612.99 and 5,831.19 is: 8,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.10 : 18,612.99 = 5,831.19 : x
  2. Step 2: Convert to fraction form
    12,401.10/18,612.99 = 5,831.19/x
  3. Step 3: Cross multiply
    12,401.10x = 18,612.99 × 5,831.19
  4. Step 4: Simplify right side
    12,401.10x = 108,535,881.16
  5. Step 5: Solve for x
    x = 108,535,881.16/12,401.10
  6. Step 6: Final answer
    x = 8,752.12

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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.