Home / 9,090.24-12,544.46-5,313.30

Finding the Fourth Proportional to 9,090.24, 12,544.46 and 5,313.30

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Solution

The fourth proportional to 9,090.24, 12,544.46 and 5,313.30 is: 7,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.24 : 12,544.46 = 5,313.30 : x
  2. Step 2: Convert to fraction form
    9,090.24/12,544.46 = 5,313.30/x
  3. Step 3: Cross multiply
    9,090.24x = 12,544.46 × 5,313.30
  4. Step 4: Simplify right side
    9,090.24x = 66,652,479.32
  5. Step 5: Solve for x
    x = 66,652,479.32/9,090.24
  6. Step 6: Final answer
    x = 7,332.31

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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.