Home / 12,559.25-17,331.81-6,970.25

Finding the Fourth Proportional to 12,559.25, 17,331.81 and 6,970.25

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Solution

The fourth proportional to 12,559.25, 17,331.81 and 6,970.25 is: 9,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.25 : 17,331.81 = 6,970.25 : x
  2. Step 2: Convert to fraction form
    12,559.25/17,331.81 = 6,970.25/x
  3. Step 3: Cross multiply
    12,559.25x = 17,331.81 × 6,970.25
  4. Step 4: Simplify right side
    12,559.25x = 120,807,048.65
  5. Step 5: Solve for x
    x = 120,807,048.65/12,559.25
  6. Step 6: Final answer
    x = 9,618.97

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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.