Home / 12,045.53-18,056.30-5,803.77

Finding the Fourth Proportional to 12,045.53, 18,056.30 and 5,803.77

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Solution

The fourth proportional to 12,045.53, 18,056.30 and 5,803.77 is: 8,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.53 : 18,056.30 = 5,803.77 : x
  2. Step 2: Convert to fraction form
    12,045.53/18,056.30 = 5,803.77/x
  3. Step 3: Cross multiply
    12,045.53x = 18,056.30 × 5,803.77
  4. Step 4: Simplify right side
    12,045.53x = 104,794,612.25
  5. Step 5: Solve for x
    x = 104,794,612.25/12,045.53
  6. Step 6: Final answer
    x = 8,699.88

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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.