Home / 10,101.39-15,152.63-3,860.25

Finding the Fourth Proportional to 10,101.39, 15,152.63 and 3,860.25

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Solution

The fourth proportional to 10,101.39, 15,152.63 and 3,860.25 is: 5,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.39 : 15,152.63 = 3,860.25 : x
  2. Step 2: Convert to fraction form
    10,101.39/15,152.63 = 3,860.25/x
  3. Step 3: Cross multiply
    10,101.39x = 15,152.63 × 3,860.25
  4. Step 4: Simplify right side
    10,101.39x = 58,492,920.66
  5. Step 5: Solve for x
    x = 58,492,920.66/10,101.39
  6. Step 6: Final answer
    x = 5,790.58

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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.