Home / 11,438.40-15,785.16-6,962.34

Finding the Fourth Proportional to 11,438.40, 15,785.16 and 6,962.34

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Solution

The fourth proportional to 11,438.40, 15,785.16 and 6,962.34 is: 9,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.40 : 15,785.16 = 6,962.34 : x
  2. Step 2: Convert to fraction form
    11,438.40/15,785.16 = 6,962.34/x
  3. Step 3: Cross multiply
    11,438.40x = 15,785.16 × 6,962.34
  4. Step 4: Simplify right side
    11,438.40x = 109,901,650.87
  5. Step 5: Solve for x
    x = 109,901,650.87/11,438.40
  6. Step 6: Final answer
    x = 9,608.13

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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.