Home / 11,151.95-15,389.19-6,673.01

Finding the Fourth Proportional to 11,151.95, 15,389.19 and 6,673.01

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Solution

The fourth proportional to 11,151.95, 15,389.19 and 6,673.01 is: 9,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.95 : 15,389.19 = 6,673.01 : x
  2. Step 2: Convert to fraction form
    11,151.95/15,389.19 = 6,673.01/x
  3. Step 3: Cross multiply
    11,151.95x = 15,389.19 × 6,673.01
  4. Step 4: Simplify right side
    11,151.95x = 102,692,141.82
  5. Step 5: Solve for x
    x = 102,692,141.82/11,151.95
  6. Step 6: Final answer
    x = 9,208.45

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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.