Home / 7,115.04-10,672.88-2,184.32

Finding the Fourth Proportional to 7,115.04, 10,672.88 and 2,184.32

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Solution

The fourth proportional to 7,115.04, 10,672.88 and 2,184.32 is: 3,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.04 : 10,672.88 = 2,184.32 : x
  2. Step 2: Convert to fraction form
    7,115.04/10,672.88 = 2,184.32/x
  3. Step 3: Cross multiply
    7,115.04x = 10,672.88 × 2,184.32
  4. Step 4: Simplify right side
    7,115.04x = 23,312,985.24
  5. Step 5: Solve for x
    x = 23,312,985.24/7,115.04
  6. Step 6: Final answer
    x = 3,276.58

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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.