Home / 12,409.07-18,616.34-4,088.75

Finding the Fourth Proportional to 12,409.07, 18,616.34 and 4,088.75

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Solution

The fourth proportional to 12,409.07, 18,616.34 and 4,088.75 is: 6,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.07 : 18,616.34 = 4,088.75 : x
  2. Step 2: Convert to fraction form
    12,409.07/18,616.34 = 4,088.75/x
  3. Step 3: Cross multiply
    12,409.07x = 18,616.34 × 4,088.75
  4. Step 4: Simplify right side
    12,409.07x = 76,117,477.32
  5. Step 5: Solve for x
    x = 76,117,477.32/12,409.07
  6. Step 6: Final answer
    x = 6,134.02

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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.