Home / 7,112.16-10,649.58-5,020.86

Finding the Fourth Proportional to 7,112.16, 10,649.58 and 5,020.86

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Solution

The fourth proportional to 7,112.16, 10,649.58 and 5,020.86 is: 7,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.16 : 10,649.58 = 5,020.86 : x
  2. Step 2: Convert to fraction form
    7,112.16/10,649.58 = 5,020.86/x
  3. Step 3: Cross multiply
    7,112.16x = 10,649.58 × 5,020.86
  4. Step 4: Simplify right side
    7,112.16x = 53,470,050.24
  5. Step 5: Solve for x
    x = 53,470,050.24/7,112.16
  6. Step 6: Final answer
    x = 7,518.12

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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.