Home / 10,550.55-14,546.59-7,715.66

Finding the Fourth Proportional to 10,550.55, 14,546.59 and 7,715.66

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Solution

The fourth proportional to 10,550.55, 14,546.59 and 7,715.66 is: 10,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.55 : 14,546.59 = 7,715.66 : x
  2. Step 2: Convert to fraction form
    10,550.55/14,546.59 = 7,715.66/x
  3. Step 3: Cross multiply
    10,550.55x = 14,546.59 × 7,715.66
  4. Step 4: Simplify right side
    10,550.55x = 112,236,450.58
  5. Step 5: Solve for x
    x = 112,236,450.58/10,550.55
  6. Step 6: Final answer
    x = 10,637.97

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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.