Home / 9,648.45-13,316.40-5,670.54

Finding the Fourth Proportional to 9,648.45, 13,316.40 and 5,670.54

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Solution

The fourth proportional to 9,648.45, 13,316.40 and 5,670.54 is: 7,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.45 : 13,316.40 = 5,670.54 : x
  2. Step 2: Convert to fraction form
    9,648.45/13,316.40 = 5,670.54/x
  3. Step 3: Cross multiply
    9,648.45x = 13,316.40 × 5,670.54
  4. Step 4: Simplify right side
    9,648.45x = 75,511,178.86
  5. Step 5: Solve for x
    x = 75,511,178.86/9,648.45
  6. Step 6: Final answer
    x = 7,826.25

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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.