Home / 8,190.18-11,301.30-4,653.18

Finding the Fourth Proportional to 8,190.18, 11,301.30 and 4,653.18

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Solution

The fourth proportional to 8,190.18, 11,301.30 and 4,653.18 is: 6,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.18 : 11,301.30 = 4,653.18 : x
  2. Step 2: Convert to fraction form
    8,190.18/11,301.30 = 4,653.18/x
  3. Step 3: Cross multiply
    8,190.18x = 11,301.30 × 4,653.18
  4. Step 4: Simplify right side
    8,190.18x = 52,586,983.13
  5. Step 5: Solve for x
    x = 52,586,983.13/8,190.18
  6. Step 6: Final answer
    x = 6,420.74

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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.