Home / 9,103.85-12,525.74-7,110.95

Finding the Fourth Proportional to 9,103.85, 12,525.74 and 7,110.95

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Solution

The fourth proportional to 9,103.85, 12,525.74 and 7,110.95 is: 9,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.85 : 12,525.74 = 7,110.95 : x
  2. Step 2: Convert to fraction form
    9,103.85/12,525.74 = 7,110.95/x
  3. Step 3: Cross multiply
    9,103.85x = 12,525.74 × 7,110.95
  4. Step 4: Simplify right side
    9,103.85x = 89,069,812.67
  5. Step 5: Solve for x
    x = 89,069,812.67/9,103.85
  6. Step 6: Final answer
    x = 9,783.76

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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.