Home / 8,831.56-12,188.49-5,295.10

Finding the Fourth Proportional to 8,831.56, 12,188.49 and 5,295.10

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Solution

The fourth proportional to 8,831.56, 12,188.49 and 5,295.10 is: 7,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.56 : 12,188.49 = 5,295.10 : x
  2. Step 2: Convert to fraction form
    8,831.56/12,188.49 = 5,295.10/x
  3. Step 3: Cross multiply
    8,831.56x = 12,188.49 × 5,295.10
  4. Step 4: Simplify right side
    8,831.56x = 64,539,273.40
  5. Step 5: Solve for x
    x = 64,539,273.40/8,831.56
  6. Step 6: Final answer
    x = 7,307.80

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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.