Home / 10,626.35-14,665.88-6,649.79

Finding the Fourth Proportional to 10,626.35, 14,665.88 and 6,649.79

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Solution

The fourth proportional to 10,626.35, 14,665.88 and 6,649.79 is: 9,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.35 : 14,665.88 = 6,649.79 : x
  2. Step 2: Convert to fraction form
    10,626.35/14,665.88 = 6,649.79/x
  3. Step 3: Cross multiply
    10,626.35x = 14,665.88 × 6,649.79
  4. Step 4: Simplify right side
    10,626.35x = 97,525,022.17
  5. Step 5: Solve for x
    x = 97,525,022.17/10,626.35
  6. Step 6: Final answer
    x = 9,177.66

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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.