Home / 7,205.86-10,815.53-4,437.93

Finding the Fourth Proportional to 7,205.86, 10,815.53 and 4,437.93

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Solution

The fourth proportional to 7,205.86, 10,815.53 and 4,437.93 is: 6,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.86 : 10,815.53 = 4,437.93 : x
  2. Step 2: Convert to fraction form
    7,205.86/10,815.53 = 4,437.93/x
  3. Step 3: Cross multiply
    7,205.86x = 10,815.53 × 4,437.93
  4. Step 4: Simplify right side
    7,205.86x = 47,998,542.86
  5. Step 5: Solve for x
    x = 47,998,542.86/7,205.86
  6. Step 6: Final answer
    x = 6,661.05

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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.