Home / 7,415.02-11,117.28-3,714.61

Finding the Fourth Proportional to 7,415.02, 11,117.28 and 3,714.61

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Solution

The fourth proportional to 7,415.02, 11,117.28 and 3,714.61 is: 5,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.02 : 11,117.28 = 3,714.61 : x
  2. Step 2: Convert to fraction form
    7,415.02/11,117.28 = 3,714.61/x
  3. Step 3: Cross multiply
    7,415.02x = 11,117.28 × 3,714.61
  4. Step 4: Simplify right side
    7,415.02x = 41,296,359.46
  5. Step 5: Solve for x
    x = 41,296,359.46/7,415.02
  6. Step 6: Final answer
    x = 5,569.28

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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.