Home / 11,356.95-15,672.47-6,321.08

Finding the Fourth Proportional to 11,356.95, 15,672.47 and 6,321.08

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Solution

The fourth proportional to 11,356.95, 15,672.47 and 6,321.08 is: 8,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.95 : 15,672.47 = 6,321.08 : x
  2. Step 2: Convert to fraction form
    11,356.95/15,672.47 = 6,321.08/x
  3. Step 3: Cross multiply
    11,356.95x = 15,672.47 × 6,321.08
  4. Step 4: Simplify right side
    11,356.95x = 99,066,936.67
  5. Step 5: Solve for x
    x = 99,066,936.67/11,356.95
  6. Step 6: Final answer
    x = 8,723.02

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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.