Home / 9,894.04-13,653.76-5,417.79

Finding the Fourth Proportional to 9,894.04, 13,653.76 and 5,417.79

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Solution

The fourth proportional to 9,894.04, 13,653.76 and 5,417.79 is: 7,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894.04 : 13,653.76 = 5,417.79 : x
  2. Step 2: Convert to fraction form
    9,894.04/13,653.76 = 5,417.79/x
  3. Step 3: Cross multiply
    9,894.04x = 13,653.76 × 5,417.79
  4. Step 4: Simplify right side
    9,894.04x = 73,973,204.39
  5. Step 5: Solve for x
    x = 73,973,204.39/9,894.04
  6. Step 6: Final answer
    x = 7,476.54

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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.