Home / 10,168.02-15,237.18-6,458.49

Finding the Fourth Proportional to 10,168.02, 15,237.18 and 6,458.49

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Solution

The fourth proportional to 10,168.02, 15,237.18 and 6,458.49 is: 9,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.02 : 15,237.18 = 6,458.49 : x
  2. Step 2: Convert to fraction form
    10,168.02/15,237.18 = 6,458.49/x
  3. Step 3: Cross multiply
    10,168.02x = 15,237.18 × 6,458.49
  4. Step 4: Simplify right side
    10,168.02x = 98,409,174.66
  5. Step 5: Solve for x
    x = 98,409,174.66/10,168.02
  6. Step 6: Final answer
    x = 9,678.30

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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.