Home / 10,225.20-14,110.04-5,749.60

Finding the Fourth Proportional to 10,225.20, 14,110.04 and 5,749.60

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Solution

The fourth proportional to 10,225.20, 14,110.04 and 5,749.60 is: 7,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.20 : 14,110.04 = 5,749.60 : x
  2. Step 2: Convert to fraction form
    10,225.20/14,110.04 = 5,749.60/x
  3. Step 3: Cross multiply
    10,225.20x = 14,110.04 × 5,749.60
  4. Step 4: Simplify right side
    10,225.20x = 81,127,085.98
  5. Step 5: Solve for x
    x = 81,127,085.98/10,225.20
  6. Step 6: Final answer
    x = 7,934.03

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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.