Home / 9,631.40-14,436.70-4,690.12

Finding the Fourth Proportional to 9,631.40, 14,436.70 and 4,690.12

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Solution

The fourth proportional to 9,631.40, 14,436.70 and 4,690.12 is: 7,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.40 : 14,436.70 = 4,690.12 : x
  2. Step 2: Convert to fraction form
    9,631.40/14,436.70 = 4,690.12/x
  3. Step 3: Cross multiply
    9,631.40x = 14,436.70 × 4,690.12
  4. Step 4: Simplify right side
    9,631.40x = 67,709,855.40
  5. Step 5: Solve for x
    x = 67,709,855.40/9,631.40
  6. Step 6: Final answer
    x = 7,030.12

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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.