Home / 11,531.36-15,904.76-7,051.46

Finding the Fourth Proportional to 11,531.36, 15,904.76 and 7,051.46

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Solution

The fourth proportional to 11,531.36, 15,904.76 and 7,051.46 is: 9,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.36 : 15,904.76 = 7,051.46 : x
  2. Step 2: Convert to fraction form
    11,531.36/15,904.76 = 7,051.46/x
  3. Step 3: Cross multiply
    11,531.36x = 15,904.76 × 7,051.46
  4. Step 4: Simplify right side
    11,531.36x = 112,151,664.17
  5. Step 5: Solve for x
    x = 112,151,664.17/11,531.36
  6. Step 6: Final answer
    x = 9,725.79

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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.