Home / 7,434.58-11,148.34-4,315.55

Finding the Fourth Proportional to 7,434.58, 11,148.34 and 4,315.55

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Solution

The fourth proportional to 7,434.58, 11,148.34 and 4,315.55 is: 6,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.58 : 11,148.34 = 4,315.55 : x
  2. Step 2: Convert to fraction form
    7,434.58/11,148.34 = 4,315.55/x
  3. Step 3: Cross multiply
    7,434.58x = 11,148.34 × 4,315.55
  4. Step 4: Simplify right side
    7,434.58x = 48,111,229.48
  5. Step 5: Solve for x
    x = 48,111,229.48/7,434.58
  6. Step 6: Final answer
    x = 6,471.28

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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.