Home / 10,831.13-14,947-5,863.13

Finding the Fourth Proportional to 10,831.13, 14,947 and 5,863.13

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Solution

The fourth proportional to 10,831.13, 14,947 and 5,863.13 is: 8,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.13 : 14,947 = 5,863.13 : x
  2. Step 2: Convert to fraction form
    10,831.13/14,947 = 5,863.13/x
  3. Step 3: Cross multiply
    10,831.13x = 14,947 × 5,863.13
  4. Step 4: Simplify right side
    10,831.13x = 87,636,204.11
  5. Step 5: Solve for x
    x = 87,636,204.11/10,831.13
  6. Step 6: Final answer
    x = 8,091.14

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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.