Home / 12,440.08-17,166.18-7,403.49

Finding the Fourth Proportional to 12,440.08, 17,166.18 and 7,403.49

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Solution

The fourth proportional to 12,440.08, 17,166.18 and 7,403.49 is: 10,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.08 : 17,166.18 = 7,403.49 : x
  2. Step 2: Convert to fraction form
    12,440.08/17,166.18 = 7,403.49/x
  3. Step 3: Cross multiply
    12,440.08x = 17,166.18 × 7,403.49
  4. Step 4: Simplify right side
    12,440.08x = 127,089,635.18
  5. Step 5: Solve for x
    x = 127,089,635.18/12,440.08
  6. Step 6: Final answer
    x = 10,216.14

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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.