Home / 7,417.10-11,102.43-4,119.59

Finding the Fourth Proportional to 7,417.10, 11,102.43 and 4,119.59

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Solution

The fourth proportional to 7,417.10, 11,102.43 and 4,119.59 is: 6,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.10 : 11,102.43 = 4,119.59 : x
  2. Step 2: Convert to fraction form
    7,417.10/11,102.43 = 4,119.59/x
  3. Step 3: Cross multiply
    7,417.10x = 11,102.43 × 4,119.59
  4. Step 4: Simplify right side
    7,417.10x = 45,737,502.81
  5. Step 5: Solve for x
    x = 45,737,502.81/7,417.10
  6. Step 6: Final answer
    x = 6,166.49

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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.