Home / 9,054.90-13,569.39-6,865.74

Finding the Fourth Proportional to 9,054.90, 13,569.39 and 6,865.74

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Solution

The fourth proportional to 9,054.90, 13,569.39 and 6,865.74 is: 10,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.90 : 13,569.39 = 6,865.74 : x
  2. Step 2: Convert to fraction form
    9,054.90/13,569.39 = 6,865.74/x
  3. Step 3: Cross multiply
    9,054.90x = 13,569.39 × 6,865.74
  4. Step 4: Simplify right side
    9,054.90x = 93,163,903.70
  5. Step 5: Solve for x
    x = 93,163,903.70/9,054.90
  6. Step 6: Final answer
    x = 10,288.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.