Home / 10,021.08-15,015.20-6,510.96

Finding the Fourth Proportional to 10,021.08, 15,015.20 and 6,510.96

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Solution

The fourth proportional to 10,021.08, 15,015.20 and 6,510.96 is: 9,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.08 : 15,015.20 = 6,510.96 : x
  2. Step 2: Convert to fraction form
    10,021.08/15,015.20 = 6,510.96/x
  3. Step 3: Cross multiply
    10,021.08x = 15,015.20 × 6,510.96
  4. Step 4: Simplify right side
    10,021.08x = 97,763,366.59
  5. Step 5: Solve for x
    x = 97,763,366.59/10,021.08
  6. Step 6: Final answer
    x = 9,755.77

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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.