Home / 9,300.64-12,836.70-5,765.44

Finding the Fourth Proportional to 9,300.64, 12,836.70 and 5,765.44

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Solution

The fourth proportional to 9,300.64, 12,836.70 and 5,765.44 is: 7,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.64 : 12,836.70 = 5,765.44 : x
  2. Step 2: Convert to fraction form
    9,300.64/12,836.70 = 5,765.44/x
  3. Step 3: Cross multiply
    9,300.64x = 12,836.70 × 5,765.44
  4. Step 4: Simplify right side
    9,300.64x = 74,009,223.65
  5. Step 5: Solve for x
    x = 74,009,223.65/9,300.64
  6. Step 6: Final answer
    x = 7,957.43

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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.