Home / 10,372.77-14,242.11-10,102.14

Finding the Fourth Proportional to 10,372.77, 14,242.11 and 10,102.14

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Solution

The fourth proportional to 10,372.77, 14,242.11 and 10,102.14 is: 13,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.77 : 14,242.11 = 10,102.14 : x
  2. Step 2: Convert to fraction form
    10,372.77/14,242.11 = 10,102.14/x
  3. Step 3: Cross multiply
    10,372.77x = 14,242.11 × 10,102.14
  4. Step 4: Simplify right side
    10,372.77x = 143,875,789.12
  5. Step 5: Solve for x
    x = 143,875,789.12/10,372.77
  6. Step 6: Final answer
    x = 13,870.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.