Home / 10,903.68-15,046.56-6,187.32

Finding the Fourth Proportional to 10,903.68, 15,046.56 and 6,187.32

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Solution

The fourth proportional to 10,903.68, 15,046.56 and 6,187.32 is: 8,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.68 : 15,046.56 = 6,187.32 : x
  2. Step 2: Convert to fraction form
    10,903.68/15,046.56 = 6,187.32/x
  3. Step 3: Cross multiply
    10,903.68x = 15,046.56 × 6,187.32
  4. Step 4: Simplify right side
    10,903.68x = 93,097,881.62
  5. Step 5: Solve for x
    x = 93,097,881.62/10,903.68
  6. Step 6: Final answer
    x = 8,538.21

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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.