Home / 9,525.66-13,144.80-5,276.64

Finding the Fourth Proportional to 9,525.66, 13,144.80 and 5,276.64

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Solution

The fourth proportional to 9,525.66, 13,144.80 and 5,276.64 is: 7,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,525.66 : 13,144.80 = 5,276.64 : x
  2. Step 2: Convert to fraction form
    9,525.66/13,144.80 = 5,276.64/x
  3. Step 3: Cross multiply
    9,525.66x = 13,144.80 × 5,276.64
  4. Step 4: Simplify right side
    9,525.66x = 69,360,377.47
  5. Step 5: Solve for x
    x = 69,360,377.47/9,525.66
  6. Step 6: Final answer
    x = 7,281.42

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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.