Home / 9,028.09-13,542.14-4,870.06

Finding the Fourth Proportional to 9,028.09, 13,542.14 and 4,870.06

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Solution

The fourth proportional to 9,028.09, 13,542.14 and 4,870.06 is: 7,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.09 : 13,542.14 = 4,870.06 : x
  2. Step 2: Convert to fraction form
    9,028.09/13,542.14 = 4,870.06/x
  3. Step 3: Cross multiply
    9,028.09x = 13,542.14 × 4,870.06
  4. Step 4: Simplify right side
    9,028.09x = 65,950,985.25
  5. Step 5: Solve for x
    x = 65,950,985.25/9,028.09
  6. Step 6: Final answer
    x = 7,305.09

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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.