Home / 11,541.95-15,929.39-6,507.75

Finding the Fourth Proportional to 11,541.95, 15,929.39 and 6,507.75

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Solution

The fourth proportional to 11,541.95, 15,929.39 and 6,507.75 is: 8,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.95 : 15,929.39 = 6,507.75 : x
  2. Step 2: Convert to fraction form
    11,541.95/15,929.39 = 6,507.75/x
  3. Step 3: Cross multiply
    11,541.95x = 15,929.39 × 6,507.75
  4. Step 4: Simplify right side
    11,541.95x = 103,664,471.65
  5. Step 5: Solve for x
    x = 103,664,471.65/11,541.95
  6. Step 6: Final answer
    x = 8,981.54

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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.