Home / 8,040.67-11,085.76-5,203.01

Finding the Fourth Proportional to 8,040.67, 11,085.76 and 5,203.01

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Solution

The fourth proportional to 8,040.67, 11,085.76 and 5,203.01 is: 7,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.67 : 11,085.76 = 5,203.01 : x
  2. Step 2: Convert to fraction form
    8,040.67/11,085.76 = 5,203.01/x
  3. Step 3: Cross multiply
    8,040.67x = 11,085.76 × 5,203.01
  4. Step 4: Simplify right side
    8,040.67x = 57,679,320.14
  5. Step 5: Solve for x
    x = 57,679,320.14/8,040.67
  6. Step 6: Final answer
    x = 7,173.45

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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.