Home / 10,261.17-14,181.03-7,742.34

Finding the Fourth Proportional to 10,261.17, 14,181.03 and 7,742.34

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Solution

The fourth proportional to 10,261.17, 14,181.03 and 7,742.34 is: 10,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.17 : 14,181.03 = 7,742.34 : x
  2. Step 2: Convert to fraction form
    10,261.17/14,181.03 = 7,742.34/x
  3. Step 3: Cross multiply
    10,261.17x = 14,181.03 × 7,742.34
  4. Step 4: Simplify right side
    10,261.17x = 109,794,355.81
  5. Step 5: Solve for x
    x = 109,794,355.81/10,261.17
  6. Step 6: Final answer
    x = 10,699.98

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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.