Home / 10,416.20-14,373.78-5,699.56

Finding the Fourth Proportional to 10,416.20, 14,373.78 and 5,699.56

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Solution

The fourth proportional to 10,416.20, 14,373.78 and 5,699.56 is: 7,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.20 : 14,373.78 = 5,699.56 : x
  2. Step 2: Convert to fraction form
    10,416.20/14,373.78 = 5,699.56/x
  3. Step 3: Cross multiply
    10,416.20x = 14,373.78 × 5,699.56
  4. Step 4: Simplify right side
    10,416.20x = 81,924,221.54
  5. Step 5: Solve for x
    x = 81,924,221.54/10,416.20
  6. Step 6: Final answer
    x = 7,865.08

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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.