Home / 12,852.02-19,283.49-5,458.07

Finding the Fourth Proportional to 12,852.02, 19,283.49 and 5,458.07

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Solution

The fourth proportional to 12,852.02, 19,283.49 and 5,458.07 is: 8,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.02 : 19,283.49 = 5,458.07 : x
  2. Step 2: Convert to fraction form
    12,852.02/19,283.49 = 5,458.07/x
  3. Step 3: Cross multiply
    12,852.02x = 19,283.49 × 5,458.07
  4. Step 4: Simplify right side
    12,852.02x = 105,250,541.85
  5. Step 5: Solve for x
    x = 105,250,541.85/12,852.02
  6. Step 6: Final answer
    x = 8,189.42

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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.