Home / 12,795.02-17,658.21-7,207.10

Finding the Fourth Proportional to 12,795.02, 17,658.21 and 7,207.10

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Solution

The fourth proportional to 12,795.02, 17,658.21 and 7,207.10 is: 9,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.02 : 17,658.21 = 7,207.10 : x
  2. Step 2: Convert to fraction form
    12,795.02/17,658.21 = 7,207.10/x
  3. Step 3: Cross multiply
    12,795.02x = 17,658.21 × 7,207.10
  4. Step 4: Simplify right side
    12,795.02x = 127,264,485.29
  5. Step 5: Solve for x
    x = 127,264,485.29/12,795.02
  6. Step 6: Final answer
    x = 9,946.41

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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.