Home / 7,515.52-11,274.30-2,835.34

Finding the Fourth Proportional to 7,515.52, 11,274.30 and 2,835.34

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Solution

The fourth proportional to 7,515.52, 11,274.30 and 2,835.34 is: 4,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.52 : 11,274.30 = 2,835.34 : x
  2. Step 2: Convert to fraction form
    7,515.52/11,274.30 = 2,835.34/x
  3. Step 3: Cross multiply
    7,515.52x = 11,274.30 × 2,835.34
  4. Step 4: Simplify right side
    7,515.52x = 31,966,473.76
  5. Step 5: Solve for x
    x = 31,966,473.76/7,515.52
  6. Step 6: Final answer
    x = 4,253.39

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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.