Home / 10,211.34-15,319.38-4,368.36

Finding the Fourth Proportional to 10,211.34, 15,319.38 and 4,368.36

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Solution

The fourth proportional to 10,211.34, 15,319.38 and 4,368.36 is: 6,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.34 : 15,319.38 = 4,368.36 : x
  2. Step 2: Convert to fraction form
    10,211.34/15,319.38 = 4,368.36/x
  3. Step 3: Cross multiply
    10,211.34x = 15,319.38 × 4,368.36
  4. Step 4: Simplify right side
    10,211.34x = 66,920,566.82
  5. Step 5: Solve for x
    x = 66,920,566.82/10,211.34
  6. Step 6: Final answer
    x = 6,553.55

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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.