Home / 7,417.40-10,237.18-4,435.56

Finding the Fourth Proportional to 7,417.40, 10,237.18 and 4,435.56

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Solution

The fourth proportional to 7,417.40, 10,237.18 and 4,435.56 is: 6,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.40 : 10,237.18 = 4,435.56 : x
  2. Step 2: Convert to fraction form
    7,417.40/10,237.18 = 4,435.56/x
  3. Step 3: Cross multiply
    7,417.40x = 10,237.18 × 4,435.56
  4. Step 4: Simplify right side
    7,417.40x = 45,407,626.12
  5. Step 5: Solve for x
    x = 45,407,626.12/7,417.40
  6. Step 6: Final answer
    x = 6,121.77

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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.