Home / 10,831.65-16,246.10-3,436.17

Finding the Fourth Proportional to 10,831.65, 16,246.10 and 3,436.17

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Solution

The fourth proportional to 10,831.65, 16,246.10 and 3,436.17 is: 5,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.65 : 16,246.10 = 3,436.17 : x
  2. Step 2: Convert to fraction form
    10,831.65/16,246.10 = 3,436.17/x
  3. Step 3: Cross multiply
    10,831.65x = 16,246.10 × 3,436.17
  4. Step 4: Simplify right side
    10,831.65x = 55,824,344.26
  5. Step 5: Solve for x
    x = 55,824,344.26/10,831.65
  6. Step 6: Final answer
    x = 5,153.82

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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.