Home / 11,271.51-15,550.29-6,795.69

Finding the Fourth Proportional to 11,271.51, 15,550.29 and 6,795.69

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Solution

The fourth proportional to 11,271.51, 15,550.29 and 6,795.69 is: 9,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.51 : 15,550.29 = 6,795.69 : x
  2. Step 2: Convert to fraction form
    11,271.51/15,550.29 = 6,795.69/x
  3. Step 3: Cross multiply
    11,271.51x = 15,550.29 × 6,795.69
  4. Step 4: Simplify right side
    11,271.51x = 105,674,950.25
  5. Step 5: Solve for x
    x = 105,674,950.25/11,271.51
  6. Step 6: Final answer
    x = 9,375.40

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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.