Home / 7,803.06-11,697.90-3,417.18

Finding the Fourth Proportional to 7,803.06, 11,697.90 and 3,417.18

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Solution

The fourth proportional to 7,803.06, 11,697.90 and 3,417.18 is: 5,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.06 : 11,697.90 = 3,417.18 : x
  2. Step 2: Convert to fraction form
    7,803.06/11,697.90 = 3,417.18/x
  3. Step 3: Cross multiply
    7,803.06x = 11,697.90 × 3,417.18
  4. Step 4: Simplify right side
    7,803.06x = 39,973,829.92
  5. Step 5: Solve for x
    x = 39,973,829.92/7,803.06
  6. Step 6: Final answer
    x = 5,122.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.