Home / 8,557.19-11,797.80-6,281.35

Finding the Fourth Proportional to 8,557.19, 11,797.80 and 6,281.35

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Solution

The fourth proportional to 8,557.19, 11,797.80 and 6,281.35 is: 8,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.19 : 11,797.80 = 6,281.35 : x
  2. Step 2: Convert to fraction form
    8,557.19/11,797.80 = 6,281.35/x
  3. Step 3: Cross multiply
    8,557.19x = 11,797.80 × 6,281.35
  4. Step 4: Simplify right side
    8,557.19x = 74,106,093.31
  5. Step 5: Solve for x
    x = 74,106,093.31/8,557.19
  6. Step 6: Final answer
    x = 8,660.09

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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.