Home / 8,012.42-12,010.12-4,727.06

Finding the Fourth Proportional to 8,012.42, 12,010.12 and 4,727.06

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Solution

The fourth proportional to 8,012.42, 12,010.12 and 4,727.06 is: 7,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.42 : 12,010.12 = 4,727.06 : x
  2. Step 2: Convert to fraction form
    8,012.42/12,010.12 = 4,727.06/x
  3. Step 3: Cross multiply
    8,012.42x = 12,010.12 × 4,727.06
  4. Step 4: Simplify right side
    8,012.42x = 56,772,557.85
  5. Step 5: Solve for x
    x = 56,772,557.85/8,012.42
  6. Step 6: Final answer
    x = 7,085.57

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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.