Home / 8,316.41-12,480.95-3,056.40

Finding the Fourth Proportional to 8,316.41, 12,480.95 and 3,056.40

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Solution

The fourth proportional to 8,316.41, 12,480.95 and 3,056.40 is: 4,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.41 : 12,480.95 = 3,056.40 : x
  2. Step 2: Convert to fraction form
    8,316.41/12,480.95 = 3,056.40/x
  3. Step 3: Cross multiply
    8,316.41x = 12,480.95 × 3,056.40
  4. Step 4: Simplify right side
    8,316.41x = 38,146,775.58
  5. Step 5: Solve for x
    x = 38,146,775.58/8,316.41
  6. Step 6: Final answer
    x = 4,586.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.