Home / 7,351.74-10,139.54-4,836.45

Finding the Fourth Proportional to 7,351.74, 10,139.54 and 4,836.45

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Solution

The fourth proportional to 7,351.74, 10,139.54 and 4,836.45 is: 6,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.74 : 10,139.54 = 4,836.45 : x
  2. Step 2: Convert to fraction form
    7,351.74/10,139.54 = 4,836.45/x
  3. Step 3: Cross multiply
    7,351.74x = 10,139.54 × 4,836.45
  4. Step 4: Simplify right side
    7,351.74x = 49,039,354.05
  5. Step 5: Solve for x
    x = 49,039,354.05/7,351.74
  6. Step 6: Final answer
    x = 6,670.44

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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.