Home / 11,946.02-16,486.37-7,166.17

Finding the Fourth Proportional to 11,946.02, 16,486.37 and 7,166.17

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Solution

The fourth proportional to 11,946.02, 16,486.37 and 7,166.17 is: 9,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.02 : 16,486.37 = 7,166.17 : x
  2. Step 2: Convert to fraction form
    11,946.02/16,486.37 = 7,166.17/x
  3. Step 3: Cross multiply
    11,946.02x = 16,486.37 × 7,166.17
  4. Step 4: Simplify right side
    11,946.02x = 118,144,130.10
  5. Step 5: Solve for x
    x = 118,144,130.10/11,946.02
  6. Step 6: Final answer
    x = 9,889.83

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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.