Home / 12,038.31-16,611.35-7,004.16

Finding the Fourth Proportional to 12,038.31, 16,611.35 and 7,004.16

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Solution

The fourth proportional to 12,038.31, 16,611.35 and 7,004.16 is: 9,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.31 : 16,611.35 = 7,004.16 : x
  2. Step 2: Convert to fraction form
    12,038.31/16,611.35 = 7,004.16/x
  3. Step 3: Cross multiply
    12,038.31x = 16,611.35 × 7,004.16
  4. Step 4: Simplify right side
    12,038.31x = 116,348,518.20
  5. Step 5: Solve for x
    x = 116,348,518.20/12,038.31
  6. Step 6: Final answer
    x = 9,664.85

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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.