Home / 9,941.16-13,718.71-5,403.79

Finding the Fourth Proportional to 9,941.16, 13,718.71 and 5,403.79

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Solution

The fourth proportional to 9,941.16, 13,718.71 and 5,403.79 is: 7,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.16 : 13,718.71 = 5,403.79 : x
  2. Step 2: Convert to fraction form
    9,941.16/13,718.71 = 5,403.79/x
  3. Step 3: Cross multiply
    9,941.16x = 13,718.71 × 5,403.79
  4. Step 4: Simplify right side
    9,941.16x = 74,133,027.91
  5. Step 5: Solve for x
    x = 74,133,027.91/9,941.16
  6. Step 6: Final answer
    x = 7,457.18

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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.