Home / 8,695.44-12,001.56-5,551.08

Finding the Fourth Proportional to 8,695.44, 12,001.56 and 5,551.08

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Solution

The fourth proportional to 8,695.44, 12,001.56 and 5,551.08 is: 7,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.44 : 12,001.56 = 5,551.08 : x
  2. Step 2: Convert to fraction form
    8,695.44/12,001.56 = 5,551.08/x
  3. Step 3: Cross multiply
    8,695.44x = 12,001.56 × 5,551.08
  4. Step 4: Simplify right side
    8,695.44x = 66,621,619.68
  5. Step 5: Solve for x
    x = 66,621,619.68/8,695.44
  6. Step 6: Final answer
    x = 7,661.67

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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.