Home / 11,777.18-16,252.49-6,472.00

Finding the Fourth Proportional to 11,777.18, 16,252.49 and 6,472.00

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Solution

The fourth proportional to 11,777.18, 16,252.49 and 6,472.00 is: 8,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.18 : 16,252.49 = 6,472.00 : x
  2. Step 2: Convert to fraction form
    11,777.18/16,252.49 = 6,472.00/x
  3. Step 3: Cross multiply
    11,777.18x = 16,252.49 × 6,472.00
  4. Step 4: Simplify right side
    11,777.18x = 105,186,001.66
  5. Step 5: Solve for x
    x = 105,186,001.66/11,777.18
  6. Step 6: Final answer
    x = 8,931.34

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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.