Home / 7,929.47-10,942.53-4,572.02

Finding the Fourth Proportional to 7,929.47, 10,942.53 and 4,572.02

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Solution

The fourth proportional to 7,929.47, 10,942.53 and 4,572.02 is: 6,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.47 : 10,942.53 = 4,572.02 : x
  2. Step 2: Convert to fraction form
    7,929.47/10,942.53 = 4,572.02/x
  3. Step 3: Cross multiply
    7,929.47x = 10,942.53 × 4,572.02
  4. Step 4: Simplify right side
    7,929.47x = 50,029,411.30
  5. Step 5: Solve for x
    x = 50,029,411.30/7,929.47
  6. Step 6: Final answer
    x = 6,309.30

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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.