Home / 9,252.18-13,879.62-3,407.40

Finding the Fourth Proportional to 9,252.18, 13,879.62 and 3,407.40

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Solution

The fourth proportional to 9,252.18, 13,879.62 and 3,407.40 is: 5,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.18 : 13,879.62 = 3,407.40 : x
  2. Step 2: Convert to fraction form
    9,252.18/13,879.62 = 3,407.40/x
  3. Step 3: Cross multiply
    9,252.18x = 13,879.62 × 3,407.40
  4. Step 4: Simplify right side
    9,252.18x = 47,293,417.19
  5. Step 5: Solve for x
    x = 47,293,417.19/9,252.18
  6. Step 6: Final answer
    x = 5,111.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.