Home / 10,916.10-15,052.32-7,373.16

Finding the Fourth Proportional to 10,916.10, 15,052.32 and 7,373.16

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Solution

The fourth proportional to 10,916.10, 15,052.32 and 7,373.16 is: 10,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.10 : 15,052.32 = 7,373.16 : x
  2. Step 2: Convert to fraction form
    10,916.10/15,052.32 = 7,373.16/x
  3. Step 3: Cross multiply
    10,916.10x = 15,052.32 × 7,373.16
  4. Step 4: Simplify right side
    10,916.10x = 110,983,163.73
  5. Step 5: Solve for x
    x = 110,983,163.73/10,916.10
  6. Step 6: Final answer
    x = 10,166.92

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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.