Home / 11,106.10-15,316.41-7,326.58

Finding the Fourth Proportional to 11,106.10, 15,316.41 and 7,326.58

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Solution

The fourth proportional to 11,106.10, 15,316.41 and 7,326.58 is: 10,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.10 : 15,316.41 = 7,326.58 : x
  2. Step 2: Convert to fraction form
    11,106.10/15,316.41 = 7,326.58/x
  3. Step 3: Cross multiply
    11,106.10x = 15,316.41 × 7,326.58
  4. Step 4: Simplify right side
    11,106.10x = 112,216,903.18
  5. Step 5: Solve for x
    x = 112,216,903.18/11,106.10
  6. Step 6: Final answer
    x = 10,104.08

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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.