Home / 10,316.97-15,476.67-7,736.31

Finding the Fourth Proportional to 10,316.97, 15,476.67 and 7,736.31

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Solution

The fourth proportional to 10,316.97, 15,476.67 and 7,736.31 is: 11,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.97 : 15,476.67 = 7,736.31 : x
  2. Step 2: Convert to fraction form
    10,316.97/15,476.67 = 7,736.31/x
  3. Step 3: Cross multiply
    10,316.97x = 15,476.67 × 7,736.31
  4. Step 4: Simplify right side
    10,316.97x = 119,732,316.89
  5. Step 5: Solve for x
    x = 119,732,316.89/10,316.97
  6. Step 6: Final answer
    x = 11,605.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.