Home / 10,366.86-15,556.74-4,210.86

Finding the Fourth Proportional to 10,366.86, 15,556.74 and 4,210.86

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Solution

The fourth proportional to 10,366.86, 15,556.74 and 4,210.86 is: 6,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.86 : 15,556.74 = 4,210.86 : x
  2. Step 2: Convert to fraction form
    10,366.86/15,556.74 = 4,210.86/x
  3. Step 3: Cross multiply
    10,366.86x = 15,556.74 × 4,210.86
  4. Step 4: Simplify right side
    10,366.86x = 65,507,254.20
  5. Step 5: Solve for x
    x = 65,507,254.20/10,366.86
  6. Step 6: Final answer
    x = 6,318.91

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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.