Home / 9,617.40-13,271.86-5,425.56

Finding the Fourth Proportional to 9,617.40, 13,271.86 and 5,425.56

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Solution

The fourth proportional to 9,617.40, 13,271.86 and 5,425.56 is: 7,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.40 : 13,271.86 = 5,425.56 : x
  2. Step 2: Convert to fraction form
    9,617.40/13,271.86 = 5,425.56/x
  3. Step 3: Cross multiply
    9,617.40x = 13,271.86 × 5,425.56
  4. Step 4: Simplify right side
    9,617.40x = 72,007,272.74
  5. Step 5: Solve for x
    x = 72,007,272.74/9,617.40
  6. Step 6: Final answer
    x = 7,487.19

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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.