Home / 11,293.51-15,587.64-7,516.84

Finding the Fourth Proportional to 11,293.51, 15,587.64 and 7,516.84

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Solution

The fourth proportional to 11,293.51, 15,587.64 and 7,516.84 is: 10,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.51 : 15,587.64 = 7,516.84 : x
  2. Step 2: Convert to fraction form
    11,293.51/15,587.64 = 7,516.84/x
  3. Step 3: Cross multiply
    11,293.51x = 15,587.64 × 7,516.84
  4. Step 4: Simplify right side
    11,293.51x = 117,169,795.86
  5. Step 5: Solve for x
    x = 117,169,795.86/11,293.51
  6. Step 6: Final answer
    x = 10,374.97

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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.