Home / 8,657.24-12,975.61-3,973.31

Finding the Fourth Proportional to 8,657.24, 12,975.61 and 3,973.31

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Solution

The fourth proportional to 8,657.24, 12,975.61 and 3,973.31 is: 5,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.24 : 12,975.61 = 3,973.31 : x
  2. Step 2: Convert to fraction form
    8,657.24/12,975.61 = 3,973.31/x
  3. Step 3: Cross multiply
    8,657.24x = 12,975.61 × 3,973.31
  4. Step 4: Simplify right side
    8,657.24x = 51,556,046.16
  5. Step 5: Solve for x
    x = 51,556,046.16/8,657.24
  6. Step 6: Final answer
    x = 5,955.25

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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.