Home / 10,448.12-14,418.64-5,732.40

Finding the Fourth Proportional to 10,448.12, 14,418.64 and 5,732.40

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Solution

The fourth proportional to 10,448.12, 14,418.64 and 5,732.40 is: 7,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.12 : 14,418.64 = 5,732.40 : x
  2. Step 2: Convert to fraction form
    10,448.12/14,418.64 = 5,732.40/x
  3. Step 3: Cross multiply
    10,448.12x = 14,418.64 × 5,732.40
  4. Step 4: Simplify right side
    10,448.12x = 82,653,411.94
  5. Step 5: Solve for x
    x = 82,653,411.94/10,448.12
  6. Step 6: Final answer
    x = 7,910.84

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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.