Home / 9,072.60-12,520.18-5,295.48

Finding the Fourth Proportional to 9,072.60, 12,520.18 and 5,295.48

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Solution

The fourth proportional to 9,072.60, 12,520.18 and 5,295.48 is: 7,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.60 : 12,520.18 = 5,295.48 : x
  2. Step 2: Convert to fraction form
    9,072.60/12,520.18 = 5,295.48/x
  3. Step 3: Cross multiply
    9,072.60x = 12,520.18 × 5,295.48
  4. Step 4: Simplify right side
    9,072.60x = 66,300,362.79
  5. Step 5: Solve for x
    x = 66,300,362.79/9,072.60
  6. Step 6: Final answer
    x = 7,307.76

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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.