Home / 7,417.74-11,120.67-3,718.07

Finding the Fourth Proportional to 7,417.74, 11,120.67 and 3,718.07

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Solution

The fourth proportional to 7,417.74, 11,120.67 and 3,718.07 is: 5,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.74 : 11,120.67 = 3,718.07 : x
  2. Step 2: Convert to fraction form
    7,417.74/11,120.67 = 3,718.07/x
  3. Step 3: Cross multiply
    7,417.74x = 11,120.67 × 3,718.07
  4. Step 4: Simplify right side
    7,417.74x = 41,347,373.90
  5. Step 5: Solve for x
    x = 41,347,373.90/7,417.74
  6. Step 6: Final answer
    x = 5,574.12

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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.