Home / 7,488.72-10,331.42-4,835.16

Finding the Fourth Proportional to 7,488.72, 10,331.42 and 4,835.16

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Solution

The fourth proportional to 7,488.72, 10,331.42 and 4,835.16 is: 6,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.72 : 10,331.42 = 4,835.16 : x
  2. Step 2: Convert to fraction form
    7,488.72/10,331.42 = 4,835.16/x
  3. Step 3: Cross multiply
    7,488.72x = 10,331.42 × 4,835.16
  4. Step 4: Simplify right side
    7,488.72x = 49,954,044.55
  5. Step 5: Solve for x
    x = 49,954,044.55/7,488.72
  6. Step 6: Final answer
    x = 6,670.57

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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.