Home / 10,761.24-14,816.76-9,777.06

Finding the Fourth Proportional to 10,761.24, 14,816.76 and 9,777.06

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Solution

The fourth proportional to 10,761.24, 14,816.76 and 9,777.06 is: 13,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.24 : 14,816.76 = 9,777.06 : x
  2. Step 2: Convert to fraction form
    10,761.24/14,816.76 = 9,777.06/x
  3. Step 3: Cross multiply
    10,761.24x = 14,816.76 × 9,777.06
  4. Step 4: Simplify right side
    10,761.24x = 144,864,351.53
  5. Step 5: Solve for x
    x = 144,864,351.53/10,761.24
  6. Step 6: Final answer
    x = 13,461.68

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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.