Home / 9,265.14-12,787.65-5,729.94

Finding the Fourth Proportional to 9,265.14, 12,787.65 and 5,729.94

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Solution

The fourth proportional to 9,265.14, 12,787.65 and 5,729.94 is: 7,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.14 : 12,787.65 = 5,729.94 : x
  2. Step 2: Convert to fraction form
    9,265.14/12,787.65 = 5,729.94/x
  3. Step 3: Cross multiply
    9,265.14x = 12,787.65 × 5,729.94
  4. Step 4: Simplify right side
    9,265.14x = 73,272,467.24
  5. Step 5: Solve for x
    x = 73,272,467.24/9,265.14
  6. Step 6: Final answer
    x = 7,908.40

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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.