Home / 7,907.86-10,913.24-4,551.18

Finding the Fourth Proportional to 7,907.86, 10,913.24 and 4,551.18

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Solution

The fourth proportional to 7,907.86, 10,913.24 and 4,551.18 is: 6,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.86 : 10,913.24 = 4,551.18 : x
  2. Step 2: Convert to fraction form
    7,907.86/10,913.24 = 4,551.18/x
  3. Step 3: Cross multiply
    7,907.86x = 10,913.24 × 4,551.18
  4. Step 4: Simplify right side
    7,907.86x = 49,668,150.19
  5. Step 5: Solve for x
    x = 49,668,150.19/7,907.86
  6. Step 6: Final answer
    x = 6,280.86

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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.