Home / 10,144.48-14,010.07-7,763.08

Finding the Fourth Proportional to 10,144.48, 14,010.07 and 7,763.08

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Solution

The fourth proportional to 10,144.48, 14,010.07 and 7,763.08 is: 10,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.48 : 14,010.07 = 7,763.08 : x
  2. Step 2: Convert to fraction form
    10,144.48/14,010.07 = 7,763.08/x
  3. Step 3: Cross multiply
    10,144.48x = 14,010.07 × 7,763.08
  4. Step 4: Simplify right side
    10,144.48x = 108,761,224.17
  5. Step 5: Solve for x
    x = 108,761,224.17/10,144.48
  6. Step 6: Final answer
    x = 10,721.23

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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.