Home / 10,021.24-13,830.36-5,772.47

Finding the Fourth Proportional to 10,021.24, 13,830.36 and 5,772.47

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Solution

The fourth proportional to 10,021.24, 13,830.36 and 5,772.47 is: 7,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.24 : 13,830.36 = 5,772.47 : x
  2. Step 2: Convert to fraction form
    10,021.24/13,830.36 = 5,772.47/x
  3. Step 3: Cross multiply
    10,021.24x = 13,830.36 × 5,772.47
  4. Step 4: Simplify right side
    10,021.24x = 79,835,338.19
  5. Step 5: Solve for x
    x = 79,835,338.19/10,021.24
  6. Step 6: Final answer
    x = 7,966.62

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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.