Home / 7,961.01-10,985.45-4,424.01

Finding the Fourth Proportional to 7,961.01, 10,985.45 and 4,424.01

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Solution

The fourth proportional to 7,961.01, 10,985.45 and 4,424.01 is: 6,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.01 : 10,985.45 = 4,424.01 : x
  2. Step 2: Convert to fraction form
    7,961.01/10,985.45 = 4,424.01/x
  3. Step 3: Cross multiply
    7,961.01x = 10,985.45 × 4,424.01
  4. Step 4: Simplify right side
    7,961.01x = 48,599,740.65
  5. Step 5: Solve for x
    x = 48,599,740.65/7,961.01
  6. Step 6: Final answer
    x = 6,104.72

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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.