Home / 12,816.02-17,681.15-9,466.88

Finding the Fourth Proportional to 12,816.02, 17,681.15 and 9,466.88

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Solution

The fourth proportional to 12,816.02, 17,681.15 and 9,466.88 is: 13,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.02 : 17,681.15 = 9,466.88 : x
  2. Step 2: Convert to fraction form
    12,816.02/17,681.15 = 9,466.88/x
  3. Step 3: Cross multiply
    12,816.02x = 17,681.15 × 9,466.88
  4. Step 4: Simplify right side
    12,816.02x = 167,385,260.57
  5. Step 5: Solve for x
    x = 167,385,260.57/12,816.02
  6. Step 6: Final answer
    x = 13,060.62

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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.