Home / 8,712.02-13,084.84-7,465.44

Finding the Fourth Proportional to 8,712.02, 13,084.84 and 7,465.44

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Solution

The fourth proportional to 8,712.02, 13,084.84 and 7,465.44 is: 11,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.02 : 13,084.84 = 7,465.44 : x
  2. Step 2: Convert to fraction form
    8,712.02/13,084.84 = 7,465.44/x
  3. Step 3: Cross multiply
    8,712.02x = 13,084.84 × 7,465.44
  4. Step 4: Simplify right side
    8,712.02x = 97,684,087.93
  5. Step 5: Solve for x
    x = 97,684,087.93/8,712.02
  6. Step 6: Final answer
    x = 11,212.56

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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.