Home / 9,112.08-12,574.50-5,133.60

Finding the Fourth Proportional to 9,112.08, 12,574.50 and 5,133.60

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Solution

The fourth proportional to 9,112.08, 12,574.50 and 5,133.60 is: 7,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.08 : 12,574.50 = 5,133.60 : x
  2. Step 2: Convert to fraction form
    9,112.08/12,574.50 = 5,133.60/x
  3. Step 3: Cross multiply
    9,112.08x = 12,574.50 × 5,133.60
  4. Step 4: Simplify right side
    9,112.08x = 64,552,453.20
  5. Step 5: Solve for x
    x = 64,552,453.20/9,112.08
  6. Step 6: Final answer
    x = 7,084.27

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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.