Home / 12,248.16-18,361.44-9,124.26

Finding the Fourth Proportional to 12,248.16, 18,361.44 and 9,124.26

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Solution

The fourth proportional to 12,248.16, 18,361.44 and 9,124.26 is: 13,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.16 : 18,361.44 = 9,124.26 : x
  2. Step 2: Convert to fraction form
    12,248.16/18,361.44 = 9,124.26/x
  3. Step 3: Cross multiply
    12,248.16x = 18,361.44 × 9,124.26
  4. Step 4: Simplify right side
    12,248.16x = 167,534,552.53
  5. Step 5: Solve for x
    x = 167,534,552.53/12,248.16
  6. Step 6: Final answer
    x = 13,678.34

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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.