Home / 7,929.66-10,938.54-5,053.02

Finding the Fourth Proportional to 7,929.66, 10,938.54 and 5,053.02

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Solution

The fourth proportional to 7,929.66, 10,938.54 and 5,053.02 is: 6,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.66 : 10,938.54 = 5,053.02 : x
  2. Step 2: Convert to fraction form
    7,929.66/10,938.54 = 5,053.02/x
  3. Step 3: Cross multiply
    7,929.66x = 10,938.54 × 5,053.02
  4. Step 4: Simplify right side
    7,929.66x = 55,272,661.39
  5. Step 5: Solve for x
    x = 55,272,661.39/7,929.66
  6. Step 6: Final answer
    x = 6,970.37

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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.