Home / 11,356.29-15,664.37-7,328.26

Finding the Fourth Proportional to 11,356.29, 15,664.37 and 7,328.26

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Solution

The fourth proportional to 11,356.29, 15,664.37 and 7,328.26 is: 10,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.29 : 15,664.37 = 7,328.26 : x
  2. Step 2: Convert to fraction form
    11,356.29/15,664.37 = 7,328.26/x
  3. Step 3: Cross multiply
    11,356.29x = 15,664.37 × 7,328.26
  4. Step 4: Simplify right side
    11,356.29x = 114,792,539.45
  5. Step 5: Solve for x
    x = 114,792,539.45/11,356.29
  6. Step 6: Final answer
    x = 10,108.28

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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.