Home / 10,014.48-13,819.22-5,538.28

Finding the Fourth Proportional to 10,014.48, 13,819.22 and 5,538.28

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Solution

The fourth proportional to 10,014.48, 13,819.22 and 5,538.28 is: 7,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.48 : 13,819.22 = 5,538.28 : x
  2. Step 2: Convert to fraction form
    10,014.48/13,819.22 = 5,538.28/x
  3. Step 3: Cross multiply
    10,014.48x = 13,819.22 × 5,538.28
  4. Step 4: Simplify right side
    10,014.48x = 76,534,709.74
  5. Step 5: Solve for x
    x = 76,534,709.74/10,014.48
  6. Step 6: Final answer
    x = 7,642.40

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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.