Home / 12,671.02-17,485.30-7,005.44

Finding the Fourth Proportional to 12,671.02, 17,485.30 and 7,005.44

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Solution

The fourth proportional to 12,671.02, 17,485.30 and 7,005.44 is: 9,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.02 : 17,485.30 = 7,005.44 : x
  2. Step 2: Convert to fraction form
    12,671.02/17,485.30 = 7,005.44/x
  3. Step 3: Cross multiply
    12,671.02x = 17,485.30 × 7,005.44
  4. Step 4: Simplify right side
    12,671.02x = 122,492,176.32
  5. Step 5: Solve for x
    x = 122,492,176.32/12,671.02
  6. Step 6: Final answer
    x = 9,667.11

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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.