Home / 10,260.36-14,156.37-5,782.56

Finding the Fourth Proportional to 10,260.36, 14,156.37 and 5,782.56

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Solution

The fourth proportional to 10,260.36, 14,156.37 and 5,782.56 is: 7,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.36 : 14,156.37 = 5,782.56 : x
  2. Step 2: Convert to fraction form
    10,260.36/14,156.37 = 5,782.56/x
  3. Step 3: Cross multiply
    10,260.36x = 14,156.37 × 5,782.56
  4. Step 4: Simplify right side
    10,260.36x = 81,860,058.91
  5. Step 5: Solve for x
    x = 81,860,058.91/10,260.36
  6. Step 6: Final answer
    x = 7,978.28

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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.