Home / 11,354.95-15,670.20-7,104.66

Finding the Fourth Proportional to 11,354.95, 15,670.20 and 7,104.66

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Solution

The fourth proportional to 11,354.95, 15,670.20 and 7,104.66 is: 9,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.95 : 15,670.20 = 7,104.66 : x
  2. Step 2: Convert to fraction form
    11,354.95/15,670.20 = 7,104.66/x
  3. Step 3: Cross multiply
    11,354.95x = 15,670.20 × 7,104.66
  4. Step 4: Simplify right side
    11,354.95x = 111,331,443.13
  5. Step 5: Solve for x
    x = 111,331,443.13/11,354.95
  6. Step 6: Final answer
    x = 9,804.66

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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.