Home / 9,431.03-13,014.75-5,182.13

Finding the Fourth Proportional to 9,431.03, 13,014.75 and 5,182.13

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Solution

The fourth proportional to 9,431.03, 13,014.75 and 5,182.13 is: 7,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.03 : 13,014.75 = 5,182.13 : x
  2. Step 2: Convert to fraction form
    9,431.03/13,014.75 = 5,182.13/x
  3. Step 3: Cross multiply
    9,431.03x = 13,014.75 × 5,182.13
  4. Step 4: Simplify right side
    9,431.03x = 67,444,158.95
  5. Step 5: Solve for x
    x = 67,444,158.95/9,431.03
  6. Step 6: Final answer
    x = 7,151.31

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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.