Home / 10,742.88-14,840.40-10,224.48

Finding the Fourth Proportional to 10,742.88, 14,840.40 and 10,224.48

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Solution

The fourth proportional to 10,742.88, 14,840.40 and 10,224.48 is: 14,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.88 : 14,840.40 = 10,224.48 : x
  2. Step 2: Convert to fraction form
    10,742.88/14,840.40 = 10,224.48/x
  3. Step 3: Cross multiply
    10,742.88x = 14,840.40 × 10,224.48
  4. Step 4: Simplify right side
    10,742.88x = 151,735,372.99
  5. Step 5: Solve for x
    x = 151,735,372.99/10,742.88
  6. Step 6: Final answer
    x = 14,124.27

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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.