Home / 10,010.42-15,017.32-3,435.02

Finding the Fourth Proportional to 10,010.42, 15,017.32 and 3,435.02

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Solution

The fourth proportional to 10,010.42, 15,017.32 and 3,435.02 is: 5,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.42 : 15,017.32 = 3,435.02 : x
  2. Step 2: Convert to fraction form
    10,010.42/15,017.32 = 3,435.02/x
  3. Step 3: Cross multiply
    10,010.42x = 15,017.32 × 3,435.02
  4. Step 4: Simplify right side
    10,010.42x = 51,584,794.55
  5. Step 5: Solve for x
    x = 51,584,794.55/10,010.42
  6. Step 6: Final answer
    x = 5,153.11

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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.