Home / 10,091.75-15,140.06-3,166.25

Finding the Fourth Proportional to 10,091.75, 15,140.06 and 3,166.25

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Solution

The fourth proportional to 10,091.75, 15,140.06 and 3,166.25 is: 4,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.75 : 15,140.06 = 3,166.25 : x
  2. Step 2: Convert to fraction form
    10,091.75/15,140.06 = 3,166.25/x
  3. Step 3: Cross multiply
    10,091.75x = 15,140.06 × 3,166.25
  4. Step 4: Simplify right side
    10,091.75x = 47,937,199.14
  5. Step 5: Solve for x
    x = 47,937,199.14/10,091.75
  6. Step 6: Final answer
    x = 4,750.14

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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.