Home / 12,703.60-19,056.92-4,807.36

Finding the Fourth Proportional to 12,703.60, 19,056.92 and 4,807.36

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Solution

The fourth proportional to 12,703.60, 19,056.92 and 4,807.36 is: 7,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.60 : 19,056.92 = 4,807.36 : x
  2. Step 2: Convert to fraction form
    12,703.60/19,056.92 = 4,807.36/x
  3. Step 3: Cross multiply
    12,703.60x = 19,056.92 × 4,807.36
  4. Step 4: Simplify right side
    12,703.60x = 91,613,474.93
  5. Step 5: Solve for x
    x = 91,613,474.93/12,703.60
  6. Step 6: Final answer
    x = 7,211.62

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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.