Home / 9,015.02-13,489.65-5,319.02

Finding the Fourth Proportional to 9,015.02, 13,489.65 and 5,319.02

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Solution

The fourth proportional to 9,015.02, 13,489.65 and 5,319.02 is: 7,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.02 : 13,489.65 = 5,319.02 : x
  2. Step 2: Convert to fraction form
    9,015.02/13,489.65 = 5,319.02/x
  3. Step 3: Cross multiply
    9,015.02x = 13,489.65 × 5,319.02
  4. Step 4: Simplify right side
    9,015.02x = 71,751,718.14
  5. Step 5: Solve for x
    x = 71,751,718.14/9,015.02
  6. Step 6: Final answer
    x = 7,959.13

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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.