Home / 11,062.51-16,561.17-7,307.40

Finding the Fourth Proportional to 11,062.51, 16,561.17 and 7,307.40

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Solution

The fourth proportional to 11,062.51, 16,561.17 and 7,307.40 is: 10,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.51 : 16,561.17 = 7,307.40 : x
  2. Step 2: Convert to fraction form
    11,062.51/16,561.17 = 7,307.40/x
  3. Step 3: Cross multiply
    11,062.51x = 16,561.17 × 7,307.40
  4. Step 4: Simplify right side
    11,062.51x = 121,019,093.66
  5. Step 5: Solve for x
    x = 121,019,093.66/11,062.51
  6. Step 6: Final answer
    x = 10,939.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.