Home / 7,115.04-10,663.65-3,416.58

Finding the Fourth Proportional to 7,115.04, 10,663.65 and 3,416.58

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Solution

The fourth proportional to 7,115.04, 10,663.65 and 3,416.58 is: 5,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.04 : 10,663.65 = 3,416.58 : x
  2. Step 2: Convert to fraction form
    7,115.04/10,663.65 = 3,416.58/x
  3. Step 3: Cross multiply
    7,115.04x = 10,663.65 × 3,416.58
  4. Step 4: Simplify right side
    7,115.04x = 36,433,213.32
  5. Step 5: Solve for x
    x = 36,433,213.32/7,115.04
  6. Step 6: Final answer
    x = 5,120.59

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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.