Home / 12,203.02-16,823.86-9,693.43

Finding the Fourth Proportional to 12,203.02, 16,823.86 and 9,693.43

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Solution

The fourth proportional to 12,203.02, 16,823.86 and 9,693.43 is: 13,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.02 : 16,823.86 = 9,693.43 : x
  2. Step 2: Convert to fraction form
    12,203.02/16,823.86 = 9,693.43/x
  3. Step 3: Cross multiply
    12,203.02x = 16,823.86 × 9,693.43
  4. Step 4: Simplify right side
    12,203.02x = 163,080,909.24
  5. Step 5: Solve for x
    x = 163,080,909.24/12,203.02
  6. Step 6: Final answer
    x = 13,363.98

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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.