Home / 12,374.10-18,561.69-4,054.32

Finding the Fourth Proportional to 12,374.10, 18,561.69 and 4,054.32

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Solution

The fourth proportional to 12,374.10, 18,561.69 and 4,054.32 is: 6,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.10 : 18,561.69 = 4,054.32 : x
  2. Step 2: Convert to fraction form
    12,374.10/18,561.69 = 4,054.32/x
  3. Step 3: Cross multiply
    12,374.10x = 18,561.69 × 4,054.32
  4. Step 4: Simplify right side
    12,374.10x = 75,255,031.00
  5. Step 5: Solve for x
    x = 75,255,031.00/12,374.10
  6. Step 6: Final answer
    x = 6,081.66

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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.