Home / 10,013.06-15,005.01-4,812.86

Finding the Fourth Proportional to 10,013.06, 15,005.01 and 4,812.86

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Solution

The fourth proportional to 10,013.06, 15,005.01 and 4,812.86 is: 7,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.06 : 15,005.01 = 4,812.86 : x
  2. Step 2: Convert to fraction form
    10,013.06/15,005.01 = 4,812.86/x
  3. Step 3: Cross multiply
    10,013.06x = 15,005.01 × 4,812.86
  4. Step 4: Simplify right side
    10,013.06x = 72,217,012.43
  5. Step 5: Solve for x
    x = 72,217,012.43/10,013.06
  6. Step 6: Final answer
    x = 7,212.28

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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.