Home / 13,057.10-19,588.89-6,123.50

Finding the Fourth Proportional to 13,057.10, 19,588.89 and 6,123.50

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Solution

The fourth proportional to 13,057.10, 19,588.89 and 6,123.50 is: 9,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.10 : 19,588.89 = 6,123.50 : x
  2. Step 2: Convert to fraction form
    13,057.10/19,588.89 = 6,123.50/x
  3. Step 3: Cross multiply
    13,057.10x = 19,588.89 × 6,123.50
  4. Step 4: Simplify right side
    13,057.10x = 119,952,567.92
  5. Step 5: Solve for x
    x = 119,952,567.92/13,057.10
  6. Step 6: Final answer
    x = 9,186.77

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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.