Home / 8,831.26-12,182.07-5,513.50

Finding the Fourth Proportional to 8,831.26, 12,182.07 and 5,513.50

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Solution

The fourth proportional to 8,831.26, 12,182.07 and 5,513.50 is: 7,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.26 : 12,182.07 = 5,513.50 : x
  2. Step 2: Convert to fraction form
    8,831.26/12,182.07 = 5,513.50/x
  3. Step 3: Cross multiply
    8,831.26x = 12,182.07 × 5,513.50
  4. Step 4: Simplify right side
    8,831.26x = 67,165,842.95
  5. Step 5: Solve for x
    x = 67,165,842.95/8,831.26
  6. Step 6: Final answer
    x = 7,605.47

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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.