Home / 10,608.36-14,629.75-7,210.46

Finding the Fourth Proportional to 10,608.36, 14,629.75 and 7,210.46

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Solution

The fourth proportional to 10,608.36, 14,629.75 and 7,210.46 is: 9,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.36 : 14,629.75 = 7,210.46 : x
  2. Step 2: Convert to fraction form
    10,608.36/14,629.75 = 7,210.46/x
  3. Step 3: Cross multiply
    10,608.36x = 14,629.75 × 7,210.46
  4. Step 4: Simplify right side
    10,608.36x = 105,487,227.19
  5. Step 5: Solve for x
    x = 105,487,227.19/10,608.36
  6. Step 6: Final answer
    x = 9,943.78

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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.