Home / 7,294.81-10,953.15-4,178.34

Finding the Fourth Proportional to 7,294.81, 10,953.15 and 4,178.34

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Solution

The fourth proportional to 7,294.81, 10,953.15 and 4,178.34 is: 6,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.81 : 10,953.15 = 4,178.34 : x
  2. Step 2: Convert to fraction form
    7,294.81/10,953.15 = 4,178.34/x
  3. Step 3: Cross multiply
    7,294.81x = 10,953.15 × 4,178.34
  4. Step 4: Simplify right side
    7,294.81x = 45,765,984.77
  5. Step 5: Solve for x
    x = 45,765,984.77/7,294.81
  6. Step 6: Final answer
    x = 6,273.77

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1.5x scale

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.