Home / 7,395.31-10,203.10-5,271.18

Finding the Fourth Proportional to 7,395.31, 10,203.10 and 5,271.18

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Solution

The fourth proportional to 7,395.31, 10,203.10 and 5,271.18 is: 7,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.31 : 10,203.10 = 5,271.18 : x
  2. Step 2: Convert to fraction form
    7,395.31/10,203.10 = 5,271.18/x
  3. Step 3: Cross multiply
    7,395.31x = 10,203.10 × 5,271.18
  4. Step 4: Simplify right side
    7,395.31x = 53,782,376.66
  5. Step 5: Solve for x
    x = 53,782,376.66/7,395.31
  6. Step 6: Final answer
    x = 7,272.50

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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.