Home / 9,615.24-13,268.13-5,581.00

Finding the Fourth Proportional to 9,615.24, 13,268.13 and 5,581.00

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Solution

The fourth proportional to 9,615.24, 13,268.13 and 5,581.00 is: 7,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.24 : 13,268.13 = 5,581.00 : x
  2. Step 2: Convert to fraction form
    9,615.24/13,268.13 = 5,581.00/x
  3. Step 3: Cross multiply
    9,615.24x = 13,268.13 × 5,581.00
  4. Step 4: Simplify right side
    9,615.24x = 74,049,406.57
  5. Step 5: Solve for x
    x = 74,049,406.57/9,615.24
  6. Step 6: Final answer
    x = 7,701.25

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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.