Home / 11,215.01-15,476.58-6,499.19

Finding the Fourth Proportional to 11,215.01, 15,476.58 and 6,499.19

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Solution

The fourth proportional to 11,215.01, 15,476.58 and 6,499.19 is: 8,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.01 : 15,476.58 = 6,499.19 : x
  2. Step 2: Convert to fraction form
    11,215.01/15,476.58 = 6,499.19/x
  3. Step 3: Cross multiply
    11,215.01x = 15,476.58 × 6,499.19
  4. Step 4: Simplify right side
    11,215.01x = 100,585,156.59
  5. Step 5: Solve for x
    x = 100,585,156.59/11,215.01
  6. Step 6: Final answer
    x = 8,968.80

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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.