Home / 11,436.12-17,154.14-7,512.16

Finding the Fourth Proportional to 11,436.12, 17,154.14 and 7,512.16

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Solution

The fourth proportional to 11,436.12, 17,154.14 and 7,512.16 is: 11,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.12 : 17,154.14 = 7,512.16 : x
  2. Step 2: Convert to fraction form
    11,436.12/17,154.14 = 7,512.16/x
  3. Step 3: Cross multiply
    11,436.12x = 17,154.14 × 7,512.16
  4. Step 4: Simplify right side
    11,436.12x = 128,864,644.34
  5. Step 5: Solve for x
    x = 128,864,644.34/11,436.12
  6. Step 6: Final answer
    x = 11,268.21

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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.