Home / 12,681.50-19,026.29-6,108.35

Finding the Fourth Proportional to 12,681.50, 19,026.29 and 6,108.35

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Solution

The fourth proportional to 12,681.50, 19,026.29 and 6,108.35 is: 9,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.50 : 19,026.29 = 6,108.35 : x
  2. Step 2: Convert to fraction form
    12,681.50/19,026.29 = 6,108.35/x
  3. Step 3: Cross multiply
    12,681.50x = 19,026.29 × 6,108.35
  4. Step 4: Simplify right side
    12,681.50x = 116,219,158.66
  5. Step 5: Solve for x
    x = 116,219,158.66/12,681.50
  6. Step 6: Final answer
    x = 9,164.47

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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.