Home / 8,818.88-12,159.25-6,924.56

Finding the Fourth Proportional to 8,818.88, 12,159.25 and 6,924.56

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Solution

The fourth proportional to 8,818.88, 12,159.25 and 6,924.56 is: 9,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.88 : 12,159.25 = 6,924.56 : x
  2. Step 2: Convert to fraction form
    8,818.88/12,159.25 = 6,924.56/x
  3. Step 3: Cross multiply
    8,818.88x = 12,159.25 × 6,924.56
  4. Step 4: Simplify right side
    8,818.88x = 84,197,378.07
  5. Step 5: Solve for x
    x = 84,197,378.07/8,818.88
  6. Step 6: Final answer
    x = 9,547.41

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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.