Home / 7,359.68-10,156.35-4,215.88

Finding the Fourth Proportional to 7,359.68, 10,156.35 and 4,215.88

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Solution

The fourth proportional to 7,359.68, 10,156.35 and 4,215.88 is: 5,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.68 : 10,156.35 = 4,215.88 : x
  2. Step 2: Convert to fraction form
    7,359.68/10,156.35 = 4,215.88/x
  3. Step 3: Cross multiply
    7,359.68x = 10,156.35 × 4,215.88
  4. Step 4: Simplify right side
    7,359.68x = 42,817,952.84
  5. Step 5: Solve for x
    x = 42,817,952.84/7,359.68
  6. Step 6: Final answer
    x = 5,817.91

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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.