Home / 9,720.59-13,403.81-6,571.31

Finding the Fourth Proportional to 9,720.59, 13,403.81 and 6,571.31

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Solution

The fourth proportional to 9,720.59, 13,403.81 and 6,571.31 is: 9,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.59 : 13,403.81 = 6,571.31 : x
  2. Step 2: Convert to fraction form
    9,720.59/13,403.81 = 6,571.31/x
  3. Step 3: Cross multiply
    9,720.59x = 13,403.81 × 6,571.31
  4. Step 4: Simplify right side
    9,720.59x = 88,080,540.10
  5. Step 5: Solve for x
    x = 88,080,540.10/9,720.59
  6. Step 6: Final answer
    x = 9,061.24

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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.