Home / 10,975.24-15,115.44-9,482.68

Finding the Fourth Proportional to 10,975.24, 15,115.44 and 9,482.68

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Solution

The fourth proportional to 10,975.24, 15,115.44 and 9,482.68 is: 13,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.24 : 15,115.44 = 9,482.68 : x
  2. Step 2: Convert to fraction form
    10,975.24/15,115.44 = 9,482.68/x
  3. Step 3: Cross multiply
    10,975.24x = 15,115.44 × 9,482.68
  4. Step 4: Simplify right side
    10,975.24x = 143,334,880.58
  5. Step 5: Solve for x
    x = 143,334,880.58/10,975.24
  6. Step 6: Final answer
    x = 13,059.84

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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.