Home / 12,559.08-17,331.78-6,970.44

Finding the Fourth Proportional to 12,559.08, 17,331.78 and 6,970.44

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Solution

The fourth proportional to 12,559.08, 17,331.78 and 6,970.44 is: 9,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.08 : 17,331.78 = 6,970.44 : x
  2. Step 2: Convert to fraction form
    12,559.08/17,331.78 = 6,970.44/x
  3. Step 3: Cross multiply
    12,559.08x = 17,331.78 × 6,970.44
  4. Step 4: Simplify right side
    12,559.08x = 120,810,132.58
  5. Step 5: Solve for x
    x = 120,810,132.58/12,559.08
  6. Step 6: Final answer
    x = 9,619.35

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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.