Home / 7,005.02-9,667.26-3,861.18

Finding the Fourth Proportional to 7,005.02, 9,667.26 and 3,861.18

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Solution

The fourth proportional to 7,005.02, 9,667.26 and 3,861.18 is: 5,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.02 : 9,667.26 = 3,861.18 : x
  2. Step 2: Convert to fraction form
    7,005.02/9,667.26 = 3,861.18/x
  3. Step 3: Cross multiply
    7,005.02x = 9,667.26 × 3,861.18
  4. Step 4: Simplify right side
    7,005.02x = 37,327,030.97
  5. Step 5: Solve for x
    x = 37,327,030.97/7,005.02
  6. Step 6: Final answer
    x = 5,328.62

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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.