Home / 7,272.04-10,898.78-4,149.72

Finding the Fourth Proportional to 7,272.04, 10,898.78 and 4,149.72

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Solution

The fourth proportional to 7,272.04, 10,898.78 and 4,149.72 is: 6,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.04 : 10,898.78 = 4,149.72 : x
  2. Step 2: Convert to fraction form
    7,272.04/10,898.78 = 4,149.72/x
  3. Step 3: Cross multiply
    7,272.04x = 10,898.78 × 4,149.72
  4. Step 4: Simplify right side
    7,272.04x = 45,226,885.34
  5. Step 5: Solve for x
    x = 45,226,885.34/7,272.04
  6. Step 6: Final answer
    x = 6,219.28

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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.