Home / 10,327.08-15,490.72-4,084.40

Finding the Fourth Proportional to 10,327.08, 15,490.72 and 4,084.40

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Solution

The fourth proportional to 10,327.08, 15,490.72 and 4,084.40 is: 6,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.08 : 15,490.72 = 4,084.40 : x
  2. Step 2: Convert to fraction form
    10,327.08/15,490.72 = 4,084.40/x
  3. Step 3: Cross multiply
    10,327.08x = 15,490.72 × 4,084.40
  4. Step 4: Simplify right side
    10,327.08x = 63,270,296.77
  5. Step 5: Solve for x
    x = 63,270,296.77/10,327.08
  6. Step 6: Final answer
    x = 6,126.64

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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.