Home / 7,473.47-10,312.31-4,116.27

Finding the Fourth Proportional to 7,473.47, 10,312.31 and 4,116.27

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Solution

The fourth proportional to 7,473.47, 10,312.31 and 4,116.27 is: 5,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.47 : 10,312.31 = 4,116.27 : x
  2. Step 2: Convert to fraction form
    7,473.47/10,312.31 = 4,116.27/x
  3. Step 3: Cross multiply
    7,473.47x = 10,312.31 × 4,116.27
  4. Step 4: Simplify right side
    7,473.47x = 42,448,243.24
  5. Step 5: Solve for x
    x = 42,448,243.24/7,473.47
  6. Step 6: Final answer
    x = 5,679.86

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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.