Home / 10,491.36-14,474.81-5,953.29

Finding the Fourth Proportional to 10,491.36, 14,474.81 and 5,953.29

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Solution

The fourth proportional to 10,491.36, 14,474.81 and 5,953.29 is: 8,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.36 : 14,474.81 = 5,953.29 : x
  2. Step 2: Convert to fraction form
    10,491.36/14,474.81 = 5,953.29/x
  3. Step 3: Cross multiply
    10,491.36x = 14,474.81 × 5,953.29
  4. Step 4: Simplify right side
    10,491.36x = 86,172,711.86
  5. Step 5: Solve for x
    x = 86,172,711.86/10,491.36
  6. Step 6: Final answer
    x = 8,213.68

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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.