Home / 13,045.68-19,570.86-6,120

Finding the Fourth Proportional to 13,045.68, 19,570.86 and 6,120

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Solution

The fourth proportional to 13,045.68, 19,570.86 and 6,120 is: 9,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.68 : 19,570.86 = 6,120 : x
  2. Step 2: Convert to fraction form
    13,045.68/19,570.86 = 6,120/x
  3. Step 3: Cross multiply
    13,045.68x = 19,570.86 × 6,120
  4. Step 4: Simplify right side
    13,045.68x = 119,773,663.20
  5. Step 5: Solve for x
    x = 119,773,663.20/13,045.68
  6. Step 6: Final answer
    x = 9,181.10

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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.