Home / 6,012.02-8,303.11-4,128.57

Finding the Fourth Proportional to 6,012.02, 8,303.11 and 4,128.57

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Solution

The fourth proportional to 6,012.02, 8,303.11 and 4,128.57 is: 5,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,012.02 : 8,303.11 = 4,128.57 : x
  2. Step 2: Convert to fraction form
    6,012.02/8,303.11 = 4,128.57/x
  3. Step 3: Cross multiply
    6,012.02x = 8,303.11 × 4,128.57
  4. Step 4: Simplify right side
    6,012.02x = 34,279,960.53
  5. Step 5: Solve for x
    x = 34,279,960.53/6,012.02
  6. Step 6: Final answer
    x = 5,701.90

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.