Home / 8,925.32-12,316.73-5,148.49

Finding the Fourth Proportional to 8,925.32, 12,316.73 and 5,148.49

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Solution

The fourth proportional to 8,925.32, 12,316.73 and 5,148.49 is: 7,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.32 : 12,316.73 = 5,148.49 : x
  2. Step 2: Convert to fraction form
    8,925.32/12,316.73 = 5,148.49/x
  3. Step 3: Cross multiply
    8,925.32x = 12,316.73 × 5,148.49
  4. Step 4: Simplify right side
    8,925.32x = 63,412,504.70
  5. Step 5: Solve for x
    x = 63,412,504.70/8,925.32
  6. Step 6: Final answer
    x = 7,104.79

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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.