Home / 8,170.35-11,263.88-7,340.01

Finding the Fourth Proportional to 8,170.35, 11,263.88 and 7,340.01

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Solution

The fourth proportional to 8,170.35, 11,263.88 and 7,340.01 is: 10,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.35 : 11,263.88 = 7,340.01 : x
  2. Step 2: Convert to fraction form
    8,170.35/11,263.88 = 7,340.01/x
  3. Step 3: Cross multiply
    8,170.35x = 11,263.88 × 7,340.01
  4. Step 4: Simplify right side
    8,170.35x = 82,676,955.14
  5. Step 5: Solve for x
    x = 82,676,955.14/8,170.35
  6. Step 6: Final answer
    x = 10,119.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.