Home / 12,558.24-17,331.36-6,970.08

Finding the Fourth Proportional to 12,558.24, 17,331.36 and 6,970.08

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Solution

The fourth proportional to 12,558.24, 17,331.36 and 6,970.08 is: 9,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.24 : 17,331.36 = 6,970.08 : x
  2. Step 2: Convert to fraction form
    12,558.24/17,331.36 = 6,970.08/x
  3. Step 3: Cross multiply
    12,558.24x = 17,331.36 × 6,970.08
  4. Step 4: Simplify right side
    12,558.24x = 120,800,965.71
  5. Step 5: Solve for x
    x = 120,800,965.71/12,558.24
  6. Step 6: Final answer
    x = 9,619.26

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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.