Home / 7,693.55-11,545.89-3,312.26

Finding the Fourth Proportional to 7,693.55, 11,545.89 and 3,312.26

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Solution

The fourth proportional to 7,693.55, 11,545.89 and 3,312.26 is: 4,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.55 : 11,545.89 = 3,312.26 : x
  2. Step 2: Convert to fraction form
    7,693.55/11,545.89 = 3,312.26/x
  3. Step 3: Cross multiply
    7,693.55x = 11,545.89 × 3,312.26
  4. Step 4: Simplify right side
    7,693.55x = 38,242,915.32
  5. Step 5: Solve for x
    x = 38,242,915.32/7,693.55
  6. Step 6: Final answer
    x = 4,970.78

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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.