Home / 11,015.03-15,200.76-6,539.68

Finding the Fourth Proportional to 11,015.03, 15,200.76 and 6,539.68

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Solution

The fourth proportional to 11,015.03, 15,200.76 and 6,539.68 is: 9,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.03 : 15,200.76 = 6,539.68 : x
  2. Step 2: Convert to fraction form
    11,015.03/15,200.76 = 6,539.68/x
  3. Step 3: Cross multiply
    11,015.03x = 15,200.76 × 6,539.68
  4. Step 4: Simplify right side
    11,015.03x = 99,408,068.15
  5. Step 5: Solve for x
    x = 99,408,068.15/11,015.03
  6. Step 6: Final answer
    x = 9,024.76

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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.