Home / 8,454.04-11,666.23-4,917

Finding the Fourth Proportional to 8,454.04, 11,666.23 and 4,917

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Solution

The fourth proportional to 8,454.04, 11,666.23 and 4,917 is: 6,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.04 : 11,666.23 = 4,917 : x
  2. Step 2: Convert to fraction form
    8,454.04/11,666.23 = 4,917/x
  3. Step 3: Cross multiply
    8,454.04x = 11,666.23 × 4,917
  4. Step 4: Simplify right side
    8,454.04x = 57,362,852.91
  5. Step 5: Solve for x
    x = 57,362,852.91/8,454.04
  6. Step 6: Final answer
    x = 6,785.26

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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.