Home / 9,966.99-14,943.15-4,776.51

Finding the Fourth Proportional to 9,966.99, 14,943.15 and 4,776.51

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Solution

The fourth proportional to 9,966.99, 14,943.15 and 4,776.51 is: 7,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.99 : 14,943.15 = 4,776.51 : x
  2. Step 2: Convert to fraction form
    9,966.99/14,943.15 = 4,776.51/x
  3. Step 3: Cross multiply
    9,966.99x = 14,943.15 × 4,776.51
  4. Step 4: Simplify right side
    9,966.99x = 71,376,105.41
  5. Step 5: Solve for x
    x = 71,376,105.41/9,966.99
  6. Step 6: Final answer
    x = 7,161.25

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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.