Home / 7,448.04-11,172.72-2,515.92

Finding the Fourth Proportional to 7,448.04, 11,172.72 and 2,515.92

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Solution

The fourth proportional to 7,448.04, 11,172.72 and 2,515.92 is: 3,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.04 : 11,172.72 = 2,515.92 : x
  2. Step 2: Convert to fraction form
    7,448.04/11,172.72 = 2,515.92/x
  3. Step 3: Cross multiply
    7,448.04x = 11,172.72 × 2,515.92
  4. Step 4: Simplify right side
    7,448.04x = 28,109,669.70
  5. Step 5: Solve for x
    x = 28,109,669.70/7,448.04
  6. Step 6: Final answer
    x = 3,774.10

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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.