Home / 9,318.06-13,953.29-5,153.51

Finding the Fourth Proportional to 9,318.06, 13,953.29 and 5,153.51

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Solution

The fourth proportional to 9,318.06, 13,953.29 and 5,153.51 is: 7,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.06 : 13,953.29 = 5,153.51 : x
  2. Step 2: Convert to fraction form
    9,318.06/13,953.29 = 5,153.51/x
  3. Step 3: Cross multiply
    9,318.06x = 13,953.29 × 5,153.51
  4. Step 4: Simplify right side
    9,318.06x = 71,908,324.01
  5. Step 5: Solve for x
    x = 71,908,324.01/9,318.06
  6. Step 6: Final answer
    x = 7,717.09

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1.5x scale

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.