Home / 9,879.04-13,631.19-5,630.02

Finding the Fourth Proportional to 9,879.04, 13,631.19 and 5,630.02

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Solution

The fourth proportional to 9,879.04, 13,631.19 and 5,630.02 is: 7,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.04 : 13,631.19 = 5,630.02 : x
  2. Step 2: Convert to fraction form
    9,879.04/13,631.19 = 5,630.02/x
  3. Step 3: Cross multiply
    9,879.04x = 13,631.19 × 5,630.02
  4. Step 4: Simplify right side
    9,879.04x = 76,743,872.32
  5. Step 5: Solve for x
    x = 76,743,872.32/9,879.04
  6. Step 6: Final answer
    x = 7,768.35

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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.