Home / 12,875.16-19,317.06-5,476.44

Finding the Fourth Proportional to 12,875.16, 19,317.06 and 5,476.44

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Solution

The fourth proportional to 12,875.16, 19,317.06 and 5,476.44 is: 8,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.16 : 19,317.06 = 5,476.44 : x
  2. Step 2: Convert to fraction form
    12,875.16/19,317.06 = 5,476.44/x
  3. Step 3: Cross multiply
    12,875.16x = 19,317.06 × 5,476.44
  4. Step 4: Simplify right side
    12,875.16x = 105,788,720.07
  5. Step 5: Solve for x
    x = 105,788,720.07/12,875.16
  6. Step 6: Final answer
    x = 8,216.50

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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.