Home / 10,255.03-14,151.95-5,539.32

Finding the Fourth Proportional to 10,255.03, 14,151.95 and 5,539.32

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Solution

The fourth proportional to 10,255.03, 14,151.95 and 5,539.32 is: 7,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.03 : 14,151.95 = 5,539.32 : x
  2. Step 2: Convert to fraction form
    10,255.03/14,151.95 = 5,539.32/x
  3. Step 3: Cross multiply
    10,255.03x = 14,151.95 × 5,539.32
  4. Step 4: Simplify right side
    10,255.03x = 78,392,108.91
  5. Step 5: Solve for x
    x = 78,392,108.91/10,255.03
  6. Step 6: Final answer
    x = 7,644.26

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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.