Home / 6,386.63-9,571.51-4,900.17

Finding the Fourth Proportional to 6,386.63, 9,571.51 and 4,900.17

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Solution

The fourth proportional to 6,386.63, 9,571.51 and 4,900.17 is: 7,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.63 : 9,571.51 = 4,900.17 : x
  2. Step 2: Convert to fraction form
    6,386.63/9,571.51 = 4,900.17/x
  3. Step 3: Cross multiply
    6,386.63x = 9,571.51 × 4,900.17
  4. Step 4: Simplify right side
    6,386.63x = 46,901,953.80
  5. Step 5: Solve for x
    x = 46,901,953.80/6,386.63
  6. Step 6: Final answer
    x = 7,343.77

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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.