Home / 11,181.51-15,429.58-6,466.10

Finding the Fourth Proportional to 11,181.51, 15,429.58 and 6,466.10

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Solution

The fourth proportional to 11,181.51, 15,429.58 and 6,466.10 is: 8,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.51 : 15,429.58 = 6,466.10 : x
  2. Step 2: Convert to fraction form
    11,181.51/15,429.58 = 6,466.10/x
  3. Step 3: Cross multiply
    11,181.51x = 15,429.58 × 6,466.10
  4. Step 4: Simplify right side
    11,181.51x = 99,769,207.24
  5. Step 5: Solve for x
    x = 99,769,207.24/11,181.51
  6. Step 6: Final answer
    x = 8,922.70

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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.