Home / 10,931.01-16,383.72-4,694.40

Finding the Fourth Proportional to 10,931.01, 16,383.72 and 4,694.40

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Solution

The fourth proportional to 10,931.01, 16,383.72 and 4,694.40 is: 7,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.01 : 16,383.72 = 4,694.40 : x
  2. Step 2: Convert to fraction form
    10,931.01/16,383.72 = 4,694.40/x
  3. Step 3: Cross multiply
    10,931.01x = 16,383.72 × 4,694.40
  4. Step 4: Simplify right side
    10,931.01x = 76,911,735.17
  5. Step 5: Solve for x
    x = 76,911,735.17/10,931.01
  6. Step 6: Final answer
    x = 7,036.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.