Home / 12,545.07-17,312.22-6,956.07

Finding the Fourth Proportional to 12,545.07, 17,312.22 and 6,956.07

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Solution

The fourth proportional to 12,545.07, 17,312.22 and 6,956.07 is: 9,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.07 : 17,312.22 = 6,956.07 : x
  2. Step 2: Convert to fraction form
    12,545.07/17,312.22 = 6,956.07/x
  3. Step 3: Cross multiply
    12,545.07x = 17,312.22 × 6,956.07
  4. Step 4: Simplify right side
    12,545.07x = 120,425,014.18
  5. Step 5: Solve for x
    x = 120,425,014.18/12,545.07
  6. Step 6: Final answer
    x = 9,599.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.