Home / 12,505.92-18,756.72-4,714.08

Finding the Fourth Proportional to 12,505.92, 18,756.72 and 4,714.08

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Solution

The fourth proportional to 12,505.92, 18,756.72 and 4,714.08 is: 7,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.92 : 18,756.72 = 4,714.08 : x
  2. Step 2: Convert to fraction form
    12,505.92/18,756.72 = 4,714.08/x
  3. Step 3: Cross multiply
    12,505.92x = 18,756.72 × 4,714.08
  4. Step 4: Simplify right side
    12,505.92x = 88,420,678.62
  5. Step 5: Solve for x
    x = 88,420,678.62/12,505.92
  6. Step 6: Final answer
    x = 7,070.31

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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.