Home / 11,149.93-15,387.06-6,114.07

Finding the Fourth Proportional to 11,149.93, 15,387.06 and 6,114.07

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Solution

The fourth proportional to 11,149.93, 15,387.06 and 6,114.07 is: 8,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.93 : 15,387.06 = 6,114.07 : x
  2. Step 2: Convert to fraction form
    11,149.93/15,387.06 = 6,114.07/x
  3. Step 3: Cross multiply
    11,149.93x = 15,387.06 × 6,114.07
  4. Step 4: Simplify right side
    11,149.93x = 94,077,561.93
  5. Step 5: Solve for x
    x = 94,077,561.93/11,149.93
  6. Step 6: Final answer
    x = 8,437.50

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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.