Home / 11,185.98-15,437.64-6,151.19

Finding the Fourth Proportional to 11,185.98, 15,437.64 and 6,151.19

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Solution

The fourth proportional to 11,185.98, 15,437.64 and 6,151.19 is: 8,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.98 : 15,437.64 = 6,151.19 : x
  2. Step 2: Convert to fraction form
    11,185.98/15,437.64 = 6,151.19/x
  3. Step 3: Cross multiply
    11,185.98x = 15,437.64 × 6,151.19
  4. Step 4: Simplify right side
    11,185.98x = 94,959,779.60
  5. Step 5: Solve for x
    x = 94,959,779.60/11,185.98
  6. Step 6: Final answer
    x = 8,489.18

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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.