Home / 9,940.53-13,718.25-5,464.70

Finding the Fourth Proportional to 9,940.53, 13,718.25 and 5,464.70

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Solution

The fourth proportional to 9,940.53, 13,718.25 and 5,464.70 is: 7,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.53 : 13,718.25 = 5,464.70 : x
  2. Step 2: Convert to fraction form
    9,940.53/13,718.25 = 5,464.70/x
  3. Step 3: Cross multiply
    9,940.53x = 13,718.25 × 5,464.70
  4. Step 4: Simplify right side
    9,940.53x = 74,966,052.18
  5. Step 5: Solve for x
    x = 74,966,052.18/9,940.53
  6. Step 6: Final answer
    x = 7,541.45

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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.