Home / 7,416.93-11,124.99-1,870.28

Finding the Fourth Proportional to 7,416.93, 11,124.99 and 1,870.28

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Solution

The fourth proportional to 7,416.93, 11,124.99 and 1,870.28 is: 2,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.93 : 11,124.99 = 1,870.28 : x
  2. Step 2: Convert to fraction form
    7,416.93/11,124.99 = 1,870.28/x
  3. Step 3: Cross multiply
    7,416.93x = 11,124.99 × 1,870.28
  4. Step 4: Simplify right side
    7,416.93x = 20,806,790.67
  5. Step 5: Solve for x
    x = 20,806,790.67/7,416.93
  6. Step 6: Final answer
    x = 2,805.31

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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.