Home / 12,848.10-19,277.55-7,008.90

Finding the Fourth Proportional to 12,848.10, 19,277.55 and 7,008.90

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Solution

The fourth proportional to 12,848.10, 19,277.55 and 7,008.90 is: 10,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.10 : 19,277.55 = 7,008.90 : x
  2. Step 2: Convert to fraction form
    12,848.10/19,277.55 = 7,008.90/x
  3. Step 3: Cross multiply
    12,848.10x = 19,277.55 × 7,008.90
  4. Step 4: Simplify right side
    12,848.10x = 135,114,420.20
  5. Step 5: Solve for x
    x = 135,114,420.20/12,848.10
  6. Step 6: Final answer
    x = 10,516.30

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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.