Home / 7,764.47-11,580.37-6,602.12

Finding the Fourth Proportional to 7,764.47, 11,580.37 and 6,602.12

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Solution

The fourth proportional to 7,764.47, 11,580.37 and 6,602.12 is: 9,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.47 : 11,580.37 = 6,602.12 : x
  2. Step 2: Convert to fraction form
    7,764.47/11,580.37 = 6,602.12/x
  3. Step 3: Cross multiply
    7,764.47x = 11,580.37 × 6,602.12
  4. Step 4: Simplify right side
    7,764.47x = 76,454,959.37
  5. Step 5: Solve for x
    x = 76,454,959.37/7,764.47
  6. Step 6: Final answer
    x = 9,846.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.