Home / 11,275.93-15,560.67-6,740.70

Finding the Fourth Proportional to 11,275.93, 15,560.67 and 6,740.70

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Solution

The fourth proportional to 11,275.93, 15,560.67 and 6,740.70 is: 9,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.93 : 15,560.67 = 6,740.70 : x
  2. Step 2: Convert to fraction form
    11,275.93/15,560.67 = 6,740.70/x
  3. Step 3: Cross multiply
    11,275.93x = 15,560.67 × 6,740.70
  4. Step 4: Simplify right side
    11,275.93x = 104,889,775.19
  5. Step 5: Solve for x
    x = 104,889,775.19/11,275.93
  6. Step 6: Final answer
    x = 9,302.09

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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.