Home / 8,320.08-12,529.32-7,237.52

Finding the Fourth Proportional to 8,320.08, 12,529.32 and 7,237.52

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Solution

The fourth proportional to 8,320.08, 12,529.32 and 7,237.52 is: 10,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.08 : 12,529.32 = 7,237.52 : x
  2. Step 2: Convert to fraction form
    8,320.08/12,529.32 = 7,237.52/x
  3. Step 3: Cross multiply
    8,320.08x = 12,529.32 × 7,237.52
  4. Step 4: Simplify right side
    8,320.08x = 90,681,204.09
  5. Step 5: Solve for x
    x = 90,681,204.09/8,320.08
  6. Step 6: Final answer
    x = 10,899.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.