Home / 8,973.26-12,387.96-6,292.71

Finding the Fourth Proportional to 8,973.26, 12,387.96 and 6,292.71

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Solution

The fourth proportional to 8,973.26, 12,387.96 and 6,292.71 is: 8,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.26 : 12,387.96 = 6,292.71 : x
  2. Step 2: Convert to fraction form
    8,973.26/12,387.96 = 6,292.71/x
  3. Step 3: Cross multiply
    8,973.26x = 12,387.96 × 6,292.71
  4. Step 4: Simplify right side
    8,973.26x = 77,953,746.37
  5. Step 5: Solve for x
    x = 77,953,746.37/8,973.26
  6. Step 6: Final answer
    x = 8,687.34

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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.