Home / 9,580.78-14,372.79-4,387.06

Finding the Fourth Proportional to 9,580.78, 14,372.79 and 4,387.06

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Solution

The fourth proportional to 9,580.78, 14,372.79 and 4,387.06 is: 6,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.78 : 14,372.79 = 4,387.06 : x
  2. Step 2: Convert to fraction form
    9,580.78/14,372.79 = 4,387.06/x
  3. Step 3: Cross multiply
    9,580.78x = 14,372.79 × 4,387.06
  4. Step 4: Simplify right side
    9,580.78x = 63,054,292.10
  5. Step 5: Solve for x
    x = 63,054,292.10/9,580.78
  6. Step 6: Final answer
    x = 6,581.33

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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.