Home / 10,502.04-14,512.10-7,664.60

Finding the Fourth Proportional to 10,502.04, 14,512.10 and 7,664.60

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Solution

The fourth proportional to 10,502.04, 14,512.10 and 7,664.60 is: 10,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.04 : 14,512.10 = 7,664.60 : x
  2. Step 2: Convert to fraction form
    10,502.04/14,512.10 = 7,664.60/x
  3. Step 3: Cross multiply
    10,502.04x = 14,512.10 × 7,664.60
  4. Step 4: Simplify right side
    10,502.04x = 111,229,441.66
  5. Step 5: Solve for x
    x = 111,229,441.66/10,502.04
  6. Step 6: Final answer
    x = 10,591.22

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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.