Home / 10,003.68-15,014.93-5,076.85

Finding the Fourth Proportional to 10,003.68, 15,014.93 and 5,076.85

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Solution

The fourth proportional to 10,003.68, 15,014.93 and 5,076.85 is: 7,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.68 : 15,014.93 = 5,076.85 : x
  2. Step 2: Convert to fraction form
    10,003.68/15,014.93 = 5,076.85/x
  3. Step 3: Cross multiply
    10,003.68x = 15,014.93 × 5,076.85
  4. Step 4: Simplify right side
    10,003.68x = 76,228,547.37
  5. Step 5: Solve for x
    x = 76,228,547.37/10,003.68
  6. Step 6: Final answer
    x = 7,620.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.