Home / 10,391.22-14,334.53-7,034.18

Finding the Fourth Proportional to 10,391.22, 14,334.53 and 7,034.18

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Solution

The fourth proportional to 10,391.22, 14,334.53 and 7,034.18 is: 9,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.22 : 14,334.53 = 7,034.18 : x
  2. Step 2: Convert to fraction form
    10,391.22/14,334.53 = 7,034.18/x
  3. Step 3: Cross multiply
    10,391.22x = 14,334.53 × 7,034.18
  4. Step 4: Simplify right side
    10,391.22x = 100,831,664.24
  5. Step 5: Solve for x
    x = 100,831,664.24/10,391.22
  6. Step 6: Final answer
    x = 9,703.54

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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.