Home / 11,310.36-15,606.43-7,060.69

Finding the Fourth Proportional to 11,310.36, 15,606.43 and 7,060.69

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Solution

The fourth proportional to 11,310.36, 15,606.43 and 7,060.69 is: 9,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.36 : 15,606.43 = 7,060.69 : x
  2. Step 2: Convert to fraction form
    11,310.36/15,606.43 = 7,060.69/x
  3. Step 3: Cross multiply
    11,310.36x = 15,606.43 × 7,060.69
  4. Step 4: Simplify right side
    11,310.36x = 110,192,164.24
  5. Step 5: Solve for x
    x = 110,192,164.24/11,310.36
  6. Step 6: Final answer
    x = 9,742.59

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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.