Home / 7,415.02-11,123.74-3,517.30

Finding the Fourth Proportional to 7,415.02, 11,123.74 and 3,517.30

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Solution

The fourth proportional to 7,415.02, 11,123.74 and 3,517.30 is: 5,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.02 : 11,123.74 = 3,517.30 : x
  2. Step 2: Convert to fraction form
    7,415.02/11,123.74 = 3,517.30/x
  3. Step 3: Cross multiply
    7,415.02x = 11,123.74 × 3,517.30
  4. Step 4: Simplify right side
    7,415.02x = 39,125,530.70
  5. Step 5: Solve for x
    x = 39,125,530.70/7,415.02
  6. Step 6: Final answer
    x = 5,276.52

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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.