Home / 7,796.10-10,756.80-4,812.06

Finding the Fourth Proportional to 7,796.10, 10,756.80 and 4,812.06

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Solution

The fourth proportional to 7,796.10, 10,756.80 and 4,812.06 is: 6,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.10 : 10,756.80 = 4,812.06 : x
  2. Step 2: Convert to fraction form
    7,796.10/10,756.80 = 4,812.06/x
  3. Step 3: Cross multiply
    7,796.10x = 10,756.80 × 4,812.06
  4. Step 4: Simplify right side
    7,796.10x = 51,762,367.01
  5. Step 5: Solve for x
    x = 51,762,367.01/7,796.10
  6. Step 6: Final answer
    x = 6,639.52

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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.