Home / 7,907.22-10,911.92-4,370.42

Finding the Fourth Proportional to 7,907.22, 10,911.92 and 4,370.42

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Solution

The fourth proportional to 7,907.22, 10,911.92 and 4,370.42 is: 6,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.22 : 10,911.92 = 4,370.42 : x
  2. Step 2: Convert to fraction form
    7,907.22/10,911.92 = 4,370.42/x
  3. Step 3: Cross multiply
    7,907.22x = 10,911.92 × 4,370.42
  4. Step 4: Simplify right side
    7,907.22x = 47,689,678.83
  5. Step 5: Solve for x
    x = 47,689,678.83/7,907.22
  6. Step 6: Final answer
    x = 6,031.16

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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.