Home / 12,005.20-16,567.24-6,970.48

Finding the Fourth Proportional to 12,005.20, 16,567.24 and 6,970.48

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Solution

The fourth proportional to 12,005.20, 16,567.24 and 6,970.48 is: 9,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.20 : 16,567.24 = 6,970.48 : x
  2. Step 2: Convert to fraction form
    12,005.20/16,567.24 = 6,970.48/x
  3. Step 3: Cross multiply
    12,005.20x = 16,567.24 × 6,970.48
  4. Step 4: Simplify right side
    12,005.20x = 115,481,615.08
  5. Step 5: Solve for x
    x = 115,481,615.08/12,005.20
  6. Step 6: Final answer
    x = 9,619.30

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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.