Home / 10,530.38-14,531.75-5,814.54

Finding the Fourth Proportional to 10,530.38, 14,531.75 and 5,814.54

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Solution

The fourth proportional to 10,530.38, 14,531.75 and 5,814.54 is: 8,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.38 : 14,531.75 = 5,814.54 : x
  2. Step 2: Convert to fraction form
    10,530.38/14,531.75 = 5,814.54/x
  3. Step 3: Cross multiply
    10,530.38x = 14,531.75 × 5,814.54
  4. Step 4: Simplify right side
    10,530.38x = 84,495,441.65
  5. Step 5: Solve for x
    x = 84,495,441.65/10,530.38
  6. Step 6: Final answer
    x = 8,023.97

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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.