Home / 10,941.48-16,412.10-7,422.77

Finding the Fourth Proportional to 10,941.48, 16,412.10 and 7,422.77

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Solution

The fourth proportional to 10,941.48, 16,412.10 and 7,422.77 is: 11,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.48 : 16,412.10 = 7,422.77 : x
  2. Step 2: Convert to fraction form
    10,941.48/16,412.10 = 7,422.77/x
  3. Step 3: Cross multiply
    10,941.48x = 16,412.10 × 7,422.77
  4. Step 4: Simplify right side
    10,941.48x = 121,823,243.52
  5. Step 5: Solve for x
    x = 121,823,243.52/10,941.48
  6. Step 6: Final answer
    x = 11,134.07

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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.