Home / 9,631.30-14,437.35-4,428.10

Finding the Fourth Proportional to 9,631.30, 14,437.35 and 4,428.10

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Solution

The fourth proportional to 9,631.30, 14,437.35 and 4,428.10 is: 6,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.30 : 14,437.35 = 4,428.10 : x
  2. Step 2: Convert to fraction form
    9,631.30/14,437.35 = 4,428.10/x
  3. Step 3: Cross multiply
    9,631.30x = 14,437.35 × 4,428.10
  4. Step 4: Simplify right side
    9,631.30x = 63,930,029.54
  5. Step 5: Solve for x
    x = 63,930,029.54/9,631.30
  6. Step 6: Final answer
    x = 6,637.74

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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.