Home / 7,929.04-10,938.60-4,571.08

Finding the Fourth Proportional to 7,929.04, 10,938.60 and 4,571.08

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Solution

The fourth proportional to 7,929.04, 10,938.60 and 4,571.08 is: 6,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.04 : 10,938.60 = 4,571.08 : x
  2. Step 2: Convert to fraction form
    7,929.04/10,938.60 = 4,571.08/x
  3. Step 3: Cross multiply
    7,929.04x = 10,938.60 × 4,571.08
  4. Step 4: Simplify right side
    7,929.04x = 50,001,215.69
  5. Step 5: Solve for x
    x = 50,001,215.69/7,929.04
  6. Step 6: Final answer
    x = 6,306.09

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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.