Home / 11,220.15-15,484.69-6,185.26

Finding the Fourth Proportional to 11,220.15, 15,484.69 and 6,185.26

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Solution

The fourth proportional to 11,220.15, 15,484.69 and 6,185.26 is: 8,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.15 : 15,484.69 = 6,185.26 : x
  2. Step 2: Convert to fraction form
    11,220.15/15,484.69 = 6,185.26/x
  3. Step 3: Cross multiply
    11,220.15x = 15,484.69 × 6,185.26
  4. Step 4: Simplify right side
    11,220.15x = 95,776,833.67
  5. Step 5: Solve for x
    x = 95,776,833.67/11,220.15
  6. Step 6: Final answer
    x = 8,536.15

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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.