Home / 11,980.33-16,526.34-7,503.21

Finding the Fourth Proportional to 11,980.33, 16,526.34 and 7,503.21

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Solution

The fourth proportional to 11,980.33, 16,526.34 and 7,503.21 is: 10,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.33 : 16,526.34 = 7,503.21 : x
  2. Step 2: Convert to fraction form
    11,980.33/16,526.34 = 7,503.21/x
  3. Step 3: Cross multiply
    11,980.33x = 16,526.34 × 7,503.21
  4. Step 4: Simplify right side
    11,980.33x = 124,000,599.55
  5. Step 5: Solve for x
    x = 124,000,599.55/11,980.33
  6. Step 6: Final answer
    x = 10,350.35

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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.