Home / 9,942.08-13,718.92-5,465.12

Finding the Fourth Proportional to 9,942.08, 13,718.92 and 5,465.12

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Solution

The fourth proportional to 9,942.08, 13,718.92 and 5,465.12 is: 7,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.08 : 13,718.92 = 5,465.12 : x
  2. Step 2: Convert to fraction form
    9,942.08/13,718.92 = 5,465.12/x
  3. Step 3: Cross multiply
    9,942.08x = 13,718.92 × 5,465.12
  4. Step 4: Simplify right side
    9,942.08x = 74,975,544.07
  5. Step 5: Solve for x
    x = 74,975,544.07/9,942.08
  6. Step 6: Final answer
    x = 7,541.23

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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.