Home / 10,530.50-14,531.81-5,814.68

Finding the Fourth Proportional to 10,530.50, 14,531.81 and 5,814.68

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Solution

The fourth proportional to 10,530.50, 14,531.81 and 5,814.68 is: 8,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.50 : 14,531.81 = 5,814.68 : x
  2. Step 2: Convert to fraction form
    10,530.50/14,531.81 = 5,814.68/x
  3. Step 3: Cross multiply
    10,530.50x = 14,531.81 × 5,814.68
  4. Step 4: Simplify right side
    10,530.50x = 84,497,723.24
  5. Step 5: Solve for x
    x = 84,497,723.24/10,530.50
  6. Step 6: Final answer
    x = 8,024.10

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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.