Home / 10,445.17-15,667.04-4,899.75

Finding the Fourth Proportional to 10,445.17, 15,667.04 and 4,899.75

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Solution

The fourth proportional to 10,445.17, 15,667.04 and 4,899.75 is: 7,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.17 : 15,667.04 = 4,899.75 : x
  2. Step 2: Convert to fraction form
    10,445.17/15,667.04 = 4,899.75/x
  3. Step 3: Cross multiply
    10,445.17x = 15,667.04 × 4,899.75
  4. Step 4: Simplify right side
    10,445.17x = 76,764,579.24
  5. Step 5: Solve for x
    x = 76,764,579.24/10,445.17
  6. Step 6: Final answer
    x = 7,349.29

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1.5x scale

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.