Home / 9,878.07-13,631.96-5,898.44

Finding the Fourth Proportional to 9,878.07, 13,631.96 and 5,898.44

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Solution

The fourth proportional to 9,878.07, 13,631.96 and 5,898.44 is: 8,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.07 : 13,631.96 = 5,898.44 : x
  2. Step 2: Convert to fraction form
    9,878.07/13,631.96 = 5,898.44/x
  3. Step 3: Cross multiply
    9,878.07x = 13,631.96 × 5,898.44
  4. Step 4: Simplify right side
    9,878.07x = 80,407,302.73
  5. Step 5: Solve for x
    x = 80,407,302.73/9,878.07
  6. Step 6: Final answer
    x = 8,139.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.