Home / 7,615.59-11,423.40-2,684.07

Finding the Fourth Proportional to 7,615.59, 11,423.40 and 2,684.07

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Solution

The fourth proportional to 7,615.59, 11,423.40 and 2,684.07 is: 4,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.59 : 11,423.40 = 2,684.07 : x
  2. Step 2: Convert to fraction form
    7,615.59/11,423.40 = 2,684.07/x
  3. Step 3: Cross multiply
    7,615.59x = 11,423.40 × 2,684.07
  4. Step 4: Simplify right side
    7,615.59x = 30,661,205.24
  5. Step 5: Solve for x
    x = 30,661,205.24/7,615.59
  6. Step 6: Final answer
    x = 4,026.11

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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.