Home / 10,226.59-15,339.83-2,831.00

Finding the Fourth Proportional to 10,226.59, 15,339.83 and 2,831.00

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Solution

The fourth proportional to 10,226.59, 15,339.83 and 2,831.00 is: 4,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.59 : 15,339.83 = 2,831.00 : x
  2. Step 2: Convert to fraction form
    10,226.59/15,339.83 = 2,831.00/x
  3. Step 3: Cross multiply
    10,226.59x = 15,339.83 × 2,831.00
  4. Step 4: Simplify right side
    10,226.59x = 43,426,967.88
  5. Step 5: Solve for x
    x = 43,426,967.88/10,226.59
  6. Step 6: Final answer
    x = 4,246.48

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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.