Home / 11,222.73-15,483.02-6,440.94

Finding the Fourth Proportional to 11,222.73, 15,483.02 and 6,440.94

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Solution

The fourth proportional to 11,222.73, 15,483.02 and 6,440.94 is: 8,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.73 : 15,483.02 = 6,440.94 : x
  2. Step 2: Convert to fraction form
    11,222.73/15,483.02 = 6,440.94/x
  3. Step 3: Cross multiply
    11,222.73x = 15,483.02 × 6,440.94
  4. Step 4: Simplify right side
    11,222.73x = 99,725,170.63
  5. Step 5: Solve for x
    x = 99,725,170.63/11,222.73
  6. Step 6: Final answer
    x = 8,886.00

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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.