Home / 12,368.16-18,553.86-4,972.32

Finding the Fourth Proportional to 12,368.16, 18,553.86 and 4,972.32

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Solution

The fourth proportional to 12,368.16, 18,553.86 and 4,972.32 is: 7,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.16 : 18,553.86 = 4,972.32 : x
  2. Step 2: Convert to fraction form
    12,368.16/18,553.86 = 4,972.32/x
  3. Step 3: Cross multiply
    12,368.16x = 18,553.86 × 4,972.32
  4. Step 4: Simplify right side
    12,368.16x = 92,255,729.16
  5. Step 5: Solve for x
    x = 92,255,729.16/12,368.16
  6. Step 6: Final answer
    x = 7,459.13

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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.