Home / 11,911.02-16,437.51-6,605.93

Finding the Fourth Proportional to 11,911.02, 16,437.51 and 6,605.93

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Solution

The fourth proportional to 11,911.02, 16,437.51 and 6,605.93 is: 9,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.02 : 16,437.51 = 6,605.93 : x
  2. Step 2: Convert to fraction form
    11,911.02/16,437.51 = 6,605.93/x
  3. Step 3: Cross multiply
    11,911.02x = 16,437.51 × 6,605.93
  4. Step 4: Simplify right side
    11,911.02x = 108,585,040.43
  5. Step 5: Solve for x
    x = 108,585,040.43/11,911.02
  6. Step 6: Final answer
    x = 9,116.35

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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.