Home / 10,368.16-15,552.16-2,972.64

Finding the Fourth Proportional to 10,368.16, 15,552.16 and 2,972.64

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Solution

The fourth proportional to 10,368.16, 15,552.16 and 2,972.64 is: 4,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.16 : 15,552.16 = 2,972.64 : x
  2. Step 2: Convert to fraction form
    10,368.16/15,552.16 = 2,972.64/x
  3. Step 3: Cross multiply
    10,368.16x = 15,552.16 × 2,972.64
  4. Step 4: Simplify right side
    10,368.16x = 46,230,972.90
  5. Step 5: Solve for x
    x = 46,230,972.90/10,368.16
  6. Step 6: Final answer
    x = 4,458.94

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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.