Home / 9,072.36-13,595.76-7,215.24

Finding the Fourth Proportional to 9,072.36, 13,595.76 and 7,215.24

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Solution

The fourth proportional to 9,072.36, 13,595.76 and 7,215.24 is: 10,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.36 : 13,595.76 = 7,215.24 : x
  2. Step 2: Convert to fraction form
    9,072.36/13,595.76 = 7,215.24/x
  3. Step 3: Cross multiply
    9,072.36x = 13,595.76 × 7,215.24
  4. Step 4: Simplify right side
    9,072.36x = 98,096,671.38
  5. Step 5: Solve for x
    x = 98,096,671.38/9,072.36
  6. Step 6: Final answer
    x = 10,812.70

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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.