Home / 8,732.64-12,051.63-5,331.09

Finding the Fourth Proportional to 8,732.64, 12,051.63 and 5,331.09

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Solution

The fourth proportional to 8,732.64, 12,051.63 and 5,331.09 is: 7,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.64 : 12,051.63 = 5,331.09 : x
  2. Step 2: Convert to fraction form
    8,732.64/12,051.63 = 5,331.09/x
  3. Step 3: Cross multiply
    8,732.64x = 12,051.63 × 5,331.09
  4. Step 4: Simplify right side
    8,732.64x = 64,248,324.18
  5. Step 5: Solve for x
    x = 64,248,324.18/8,732.64
  6. Step 6: Final answer
    x = 7,357.26

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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.