Home / 11,132.51-16,686.20-4,555.10

Finding the Fourth Proportional to 11,132.51, 16,686.20 and 4,555.10

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Solution

The fourth proportional to 11,132.51, 16,686.20 and 4,555.10 is: 6,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.51 : 16,686.20 = 4,555.10 : x
  2. Step 2: Convert to fraction form
    11,132.51/16,686.20 = 4,555.10/x
  3. Step 3: Cross multiply
    11,132.51x = 16,686.20 × 4,555.10
  4. Step 4: Simplify right side
    11,132.51x = 76,007,362.72
  5. Step 5: Solve for x
    x = 76,007,362.72/11,132.51
  6. Step 6: Final answer
    x = 6,827.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.