Home / 10,338.81-14,267.60-5,623.12

Finding the Fourth Proportional to 10,338.81, 14,267.60 and 5,623.12

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Solution

The fourth proportional to 10,338.81, 14,267.60 and 5,623.12 is: 7,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.81 : 14,267.60 = 5,623.12 : x
  2. Step 2: Convert to fraction form
    10,338.81/14,267.60 = 5,623.12/x
  3. Step 3: Cross multiply
    10,338.81x = 14,267.60 × 5,623.12
  4. Step 4: Simplify right side
    10,338.81x = 80,228,426.91
  5. Step 5: Solve for x
    x = 80,228,426.91/10,338.81
  6. Step 6: Final answer
    x = 7,759.93

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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.