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Finding the Fourth Proportional to 8,335.09, 12,498.99 and 7,521.04

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Solution

The fourth proportional to 8,335.09, 12,498.99 and 7,521.04 is: 11,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.09 : 12,498.99 = 7,521.04 : x
  2. Step 2: Convert to fraction form
    8,335.09/12,498.99 = 7,521.04/x
  3. Step 3: Cross multiply
    8,335.09x = 12,498.99 × 7,521.04
  4. Step 4: Simplify right side
    8,335.09x = 94,005,403.75
  5. Step 5: Solve for x
    x = 94,005,403.75/8,335.09
  6. Step 6: Final answer
    x = 11,278.27

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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.