Home / 9,940.58-13,718.36-5,464.76

Finding the Fourth Proportional to 9,940.58, 13,718.36 and 5,464.76

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Solution

The fourth proportional to 9,940.58, 13,718.36 and 5,464.76 is: 7,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.58 : 13,718.36 = 5,464.76 : x
  2. Step 2: Convert to fraction form
    9,940.58/13,718.36 = 5,464.76/x
  3. Step 3: Cross multiply
    9,940.58x = 13,718.36 × 5,464.76
  4. Step 4: Simplify right side
    9,940.58x = 74,967,449.08
  5. Step 5: Solve for x
    x = 74,967,449.08/9,940.58
  6. Step 6: Final answer
    x = 7,541.56

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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.