Home / 10,442.90-14,410.40-5,727.17

Finding the Fourth Proportional to 10,442.90, 14,410.40 and 5,727.17

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Solution

The fourth proportional to 10,442.90, 14,410.40 and 5,727.17 is: 7,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.90 : 14,410.40 = 5,727.17 : x
  2. Step 2: Convert to fraction form
    10,442.90/14,410.40 = 5,727.17/x
  3. Step 3: Cross multiply
    10,442.90x = 14,410.40 × 5,727.17
  4. Step 4: Simplify right side
    10,442.90x = 82,530,709.88
  5. Step 5: Solve for x
    x = 82,530,709.88/10,442.90
  6. Step 6: Final answer
    x = 7,903.05

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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.