Home / 8,463.48-11,680.16-4,686.80

Finding the Fourth Proportional to 8,463.48, 11,680.16 and 4,686.80

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Solution

The fourth proportional to 8,463.48, 11,680.16 and 4,686.80 is: 6,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.48 : 11,680.16 = 4,686.80 : x
  2. Step 2: Convert to fraction form
    8,463.48/11,680.16 = 4,686.80/x
  3. Step 3: Cross multiply
    8,463.48x = 11,680.16 × 4,686.80
  4. Step 4: Simplify right side
    8,463.48x = 54,742,573.89
  5. Step 5: Solve for x
    x = 54,742,573.89/8,463.48
  6. Step 6: Final answer
    x = 6,468.09

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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.