Home / 12,566.12-18,831.74-5,535.59

Finding the Fourth Proportional to 12,566.12, 18,831.74 and 5,535.59

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Solution

The fourth proportional to 12,566.12, 18,831.74 and 5,535.59 is: 8,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.12 : 18,831.74 = 5,535.59 : x
  2. Step 2: Convert to fraction form
    12,566.12/18,831.74 = 5,535.59/x
  3. Step 3: Cross multiply
    12,566.12x = 18,831.74 × 5,535.59
  4. Step 4: Simplify right side
    12,566.12x = 104,244,669.79
  5. Step 5: Solve for x
    x = 104,244,669.79/12,566.12
  6. Step 6: Final answer
    x = 8,295.70

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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.