Home / 28,056.92-42,089.63-8,333.01

Finding the Fourth Proportional to 28,056.92, 42,089.63 and 8,333.01

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Solution

The fourth proportional to 28,056.92, 42,089.63 and 8,333.01 is: 12,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.92 : 42,089.63 = 8,333.01 : x
  2. Step 2: Convert to fraction form
    28,056.92/42,089.63 = 8,333.01/x
  3. Step 3: Cross multiply
    28,056.92x = 42,089.63 × 8,333.01
  4. Step 4: Simplify right side
    28,056.92x = 350,733,266.02
  5. Step 5: Solve for x
    x = 350,733,266.02/28,056.92
  6. Step 6: Final answer
    x = 12,500.78

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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.