Home / 9,230.55-12,738.09-5,038.80

Finding the Fourth Proportional to 9,230.55, 12,738.09 and 5,038.80

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Solution

The fourth proportional to 9,230.55, 12,738.09 and 5,038.80 is: 6,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.55 : 12,738.09 = 5,038.80 : x
  2. Step 2: Convert to fraction form
    9,230.55/12,738.09 = 5,038.80/x
  3. Step 3: Cross multiply
    9,230.55x = 12,738.09 × 5,038.80
  4. Step 4: Simplify right side
    9,230.55x = 64,184,687.89
  5. Step 5: Solve for x
    x = 64,184,687.89/9,230.55
  6. Step 6: Final answer
    x = 6,953.51

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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.