Home / 10,731.17-14,800.66-6,477.80

Finding the Fourth Proportional to 10,731.17, 14,800.66 and 6,477.80

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Solution

The fourth proportional to 10,731.17, 14,800.66 and 6,477.80 is: 8,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.17 : 14,800.66 = 6,477.80 : x
  2. Step 2: Convert to fraction form
    10,731.17/14,800.66 = 6,477.80/x
  3. Step 3: Cross multiply
    10,731.17x = 14,800.66 × 6,477.80
  4. Step 4: Simplify right side
    10,731.17x = 95,875,625.15
  5. Step 5: Solve for x
    x = 95,875,625.15/10,731.17
  6. Step 6: Final answer
    x = 8,934.31

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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.