Home / 7,507.20-10,360.08-4,636.56

Finding the Fourth Proportional to 7,507.20, 10,360.08 and 4,636.56

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Solution

The fourth proportional to 7,507.20, 10,360.08 and 4,636.56 is: 6,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.20 : 10,360.08 = 4,636.56 : x
  2. Step 2: Convert to fraction form
    7,507.20/10,360.08 = 4,636.56/x
  3. Step 3: Cross multiply
    7,507.20x = 10,360.08 × 4,636.56
  4. Step 4: Simplify right side
    7,507.20x = 48,035,132.52
  5. Step 5: Solve for x
    x = 48,035,132.52/7,507.20
  6. Step 6: Final answer
    x = 6,398.54

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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.