Home / 7,111.58-10,667.95-4,336.79

Finding the Fourth Proportional to 7,111.58, 10,667.95 and 4,336.79

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Solution

The fourth proportional to 7,111.58, 10,667.95 and 4,336.79 is: 6,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.58 : 10,667.95 = 4,336.79 : x
  2. Step 2: Convert to fraction form
    7,111.58/10,667.95 = 4,336.79/x
  3. Step 3: Cross multiply
    7,111.58x = 10,667.95 × 4,336.79
  4. Step 4: Simplify right side
    7,111.58x = 46,264,594.70
  5. Step 5: Solve for x
    x = 46,264,594.70/7,111.58
  6. Step 6: Final answer
    x = 6,505.53

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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.