Home / 12,280.02-16,937.28-9,622.14

Finding the Fourth Proportional to 12,280.02, 16,937.28 and 9,622.14

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Solution

The fourth proportional to 12,280.02, 16,937.28 and 9,622.14 is: 13,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.02 : 16,937.28 = 9,622.14 : x
  2. Step 2: Convert to fraction form
    12,280.02/16,937.28 = 9,622.14/x
  3. Step 3: Cross multiply
    12,280.02x = 16,937.28 × 9,622.14
  4. Step 4: Simplify right side
    12,280.02x = 162,972,879.38
  5. Step 5: Solve for x
    x = 162,972,879.38/12,280.02
  6. Step 6: Final answer
    x = 13,271.39

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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.