Home / 8,033.48-12,048.40-3,870.90

Finding the Fourth Proportional to 8,033.48, 12,048.40 and 3,870.90

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Solution

The fourth proportional to 8,033.48, 12,048.40 and 3,870.90 is: 5,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.48 : 12,048.40 = 3,870.90 : x
  2. Step 2: Convert to fraction form
    8,033.48/12,048.40 = 3,870.90/x
  3. Step 3: Cross multiply
    8,033.48x = 12,048.40 × 3,870.90
  4. Step 4: Simplify right side
    8,033.48x = 46,638,151.56
  5. Step 5: Solve for x
    x = 46,638,151.56/8,033.48
  6. Step 6: Final answer
    x = 5,805.47

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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.