Home / 11,880.02-16,393.74-6,574.58

Finding the Fourth Proportional to 11,880.02, 16,393.74 and 6,574.58

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Solution

The fourth proportional to 11,880.02, 16,393.74 and 6,574.58 is: 9,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.02 : 16,393.74 = 6,574.58 : x
  2. Step 2: Convert to fraction form
    11,880.02/16,393.74 = 6,574.58/x
  3. Step 3: Cross multiply
    11,880.02x = 16,393.74 × 6,574.58
  4. Step 4: Simplify right side
    11,880.02x = 107,781,955.13
  5. Step 5: Solve for x
    x = 107,781,955.13/11,880.02
  6. Step 6: Final answer
    x = 9,072.54

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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.