Home / 12,208.02-16,830.76-9,698.43

Finding the Fourth Proportional to 12,208.02, 16,830.76 and 9,698.43

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Solution

The fourth proportional to 12,208.02, 16,830.76 and 9,698.43 is: 13,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.02 : 16,830.76 = 9,698.43 : x
  2. Step 2: Convert to fraction form
    12,208.02/16,830.76 = 9,698.43/x
  3. Step 3: Cross multiply
    12,208.02x = 16,830.76 × 9,698.43
  4. Step 4: Simplify right side
    12,208.02x = 163,231,947.71
  5. Step 5: Solve for x
    x = 163,231,947.71/12,208.02
  6. Step 6: Final answer
    x = 13,370.88

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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.