Home / 7,987.37-11,020.19-4,630.01

Finding the Fourth Proportional to 7,987.37, 11,020.19 and 4,630.01

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Solution

The fourth proportional to 7,987.37, 11,020.19 and 4,630.01 is: 6,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.37 : 11,020.19 = 4,630.01 : x
  2. Step 2: Convert to fraction form
    7,987.37/11,020.19 = 4,630.01/x
  3. Step 3: Cross multiply
    7,987.37x = 11,020.19 × 4,630.01
  4. Step 4: Simplify right side
    7,987.37x = 51,023,511.65
  5. Step 5: Solve for x
    x = 51,023,511.65/7,987.37
  6. Step 6: Final answer
    x = 6,388.03

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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.