Home / 8,417.94-11,616.96-4,641.36

Finding the Fourth Proportional to 8,417.94, 11,616.96 and 4,641.36

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Solution

The fourth proportional to 8,417.94, 11,616.96 and 4,641.36 is: 6,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.94 : 11,616.96 = 4,641.36 : x
  2. Step 2: Convert to fraction form
    8,417.94/11,616.96 = 4,641.36/x
  3. Step 3: Cross multiply
    8,417.94x = 11,616.96 × 4,641.36
  4. Step 4: Simplify right side
    8,417.94x = 53,918,493.47
  5. Step 5: Solve for x
    x = 53,918,493.47/8,417.94
  6. Step 6: Final answer
    x = 6,405.19

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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.