Home / 7,907.07-10,911.32-4,370.05

Finding the Fourth Proportional to 7,907.07, 10,911.32 and 4,370.05

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Solution

The fourth proportional to 7,907.07, 10,911.32 and 4,370.05 is: 6,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.07 : 10,911.32 = 4,370.05 : x
  2. Step 2: Convert to fraction form
    7,907.07/10,911.32 = 4,370.05/x
  3. Step 3: Cross multiply
    7,907.07x = 10,911.32 × 4,370.05
  4. Step 4: Simplify right side
    7,907.07x = 47,682,937.56
  5. Step 5: Solve for x
    x = 47,682,937.56/7,907.07
  6. Step 6: Final answer
    x = 6,030.42

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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.