Home / 11,015.52-15,199.80-6,539.46

Finding the Fourth Proportional to 11,015.52, 15,199.80 and 6,539.46

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Solution

The fourth proportional to 11,015.52, 15,199.80 and 6,539.46 is: 9,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.52 : 15,199.80 = 6,539.46 : x
  2. Step 2: Convert to fraction form
    11,015.52/15,199.80 = 6,539.46/x
  3. Step 3: Cross multiply
    11,015.52x = 15,199.80 × 6,539.46
  4. Step 4: Simplify right side
    11,015.52x = 99,398,484.11
  5. Step 5: Solve for x
    x = 99,398,484.11/11,015.52
  6. Step 6: Final answer
    x = 9,023.49

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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.