Home / 10,597.02-15,900.39-5,406.54

Finding the Fourth Proportional to 10,597.02, 15,900.39 and 5,406.54

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Solution

The fourth proportional to 10,597.02, 15,900.39 and 5,406.54 is: 8,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,597.02 : 15,900.39 = 5,406.54 : x
  2. Step 2: Convert to fraction form
    10,597.02/15,900.39 = 5,406.54/x
  3. Step 3: Cross multiply
    10,597.02x = 15,900.39 × 5,406.54
  4. Step 4: Simplify right side
    10,597.02x = 85,966,094.55
  5. Step 5: Solve for x
    x = 85,966,094.55/10,597.02
  6. Step 6: Final answer
    x = 8,112.29

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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.