Home / 8,216.48-11,339.92-4,680.02

Finding the Fourth Proportional to 8,216.48, 11,339.92 and 4,680.02

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Solution

The fourth proportional to 8,216.48, 11,339.92 and 4,680.02 is: 6,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.48 : 11,339.92 = 4,680.02 : x
  2. Step 2: Convert to fraction form
    8,216.48/11,339.92 = 4,680.02/x
  3. Step 3: Cross multiply
    8,216.48x = 11,339.92 × 4,680.02
  4. Step 4: Simplify right side
    8,216.48x = 53,071,052.40
  5. Step 5: Solve for x
    x = 53,071,052.40/8,216.48
  6. Step 6: Final answer
    x = 6,459.10

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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.