Home / 10,099.35-15,170.67-9,767.19

Finding the Fourth Proportional to 10,099.35, 15,170.67 and 9,767.19

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Solution

The fourth proportional to 10,099.35, 15,170.67 and 9,767.19 is: 14,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.35 : 15,170.67 = 9,767.19 : x
  2. Step 2: Convert to fraction form
    10,099.35/15,170.67 = 9,767.19/x
  3. Step 3: Cross multiply
    10,099.35x = 15,170.67 × 9,767.19
  4. Step 4: Simplify right side
    10,099.35x = 148,174,816.32
  5. Step 5: Solve for x
    x = 148,174,816.32/10,099.35
  6. Step 6: Final answer
    x = 14,671.72

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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.