Home / 10,453.96-15,666.81-5,766.94

Finding the Fourth Proportional to 10,453.96, 15,666.81 and 5,766.94

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Solution

The fourth proportional to 10,453.96, 15,666.81 and 5,766.94 is: 8,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.96 : 15,666.81 = 5,766.94 : x
  2. Step 2: Convert to fraction form
    10,453.96/15,666.81 = 5,766.94/x
  3. Step 3: Cross multiply
    10,453.96x = 15,666.81 × 5,766.94
  4. Step 4: Simplify right side
    10,453.96x = 90,349,553.26
  5. Step 5: Solve for x
    x = 90,349,553.26/10,453.96
  6. Step 6: Final answer
    x = 8,642.62

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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.