Home / 8,938.24-12,327.60-5,210.08

Finding the Fourth Proportional to 8,938.24, 12,327.60 and 5,210.08

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Solution

The fourth proportional to 8,938.24, 12,327.60 and 5,210.08 is: 7,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.24 : 12,327.60 = 5,210.08 : x
  2. Step 2: Convert to fraction form
    8,938.24/12,327.60 = 5,210.08/x
  3. Step 3: Cross multiply
    8,938.24x = 12,327.60 × 5,210.08
  4. Step 4: Simplify right side
    8,938.24x = 64,227,782.21
  5. Step 5: Solve for x
    x = 64,227,782.21/8,938.24
  6. Step 6: Final answer
    x = 7,185.73

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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.