Home / 10,225.64-14,112.20-5,749.60

Finding the Fourth Proportional to 10,225.64, 14,112.20 and 5,749.60

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Solution

The fourth proportional to 10,225.64, 14,112.20 and 5,749.60 is: 7,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.64 : 14,112.20 = 5,749.60 : x
  2. Step 2: Convert to fraction form
    10,225.64/14,112.20 = 5,749.60/x
  3. Step 3: Cross multiply
    10,225.64x = 14,112.20 × 5,749.60
  4. Step 4: Simplify right side
    10,225.64x = 81,139,505.12
  5. Step 5: Solve for x
    x = 81,139,505.12/10,225.64
  6. Step 6: Final answer
    x = 7,934.91

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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.