Home / 9,750.24-13,455.36-5,558.40

Finding the Fourth Proportional to 9,750.24, 13,455.36 and 5,558.40

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Solution

The fourth proportional to 9,750.24, 13,455.36 and 5,558.40 is: 7,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.24 : 13,455.36 = 5,558.40 : x
  2. Step 2: Convert to fraction form
    9,750.24/13,455.36 = 5,558.40/x
  3. Step 3: Cross multiply
    9,750.24x = 13,455.36 × 5,558.40
  4. Step 4: Simplify right side
    9,750.24x = 74,790,273.02
  5. Step 5: Solve for x
    x = 74,790,273.02/9,750.24
  6. Step 6: Final answer
    x = 7,670.61

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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.