Home / 11,402.57-17,140.63-10,573.47

Finding the Fourth Proportional to 11,402.57, 17,140.63 and 10,573.47

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Solution

The fourth proportional to 11,402.57, 17,140.63 and 10,573.47 is: 15,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.57 : 17,140.63 = 10,573.47 : x
  2. Step 2: Convert to fraction form
    11,402.57/17,140.63 = 10,573.47/x
  3. Step 3: Cross multiply
    11,402.57x = 17,140.63 × 10,573.47
  4. Step 4: Simplify right side
    11,402.57x = 181,235,962.62
  5. Step 5: Solve for x
    x = 181,235,962.62/11,402.57
  6. Step 6: Final answer
    x = 15,894.31

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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.