Home / 11,030.20-16,526.10-7,132.60

Finding the Fourth Proportional to 11,030.20, 16,526.10 and 7,132.60

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Solution

The fourth proportional to 11,030.20, 16,526.10 and 7,132.60 is: 10,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.20 : 16,526.10 = 7,132.60 : x
  2. Step 2: Convert to fraction form
    11,030.20/16,526.10 = 7,132.60/x
  3. Step 3: Cross multiply
    11,030.20x = 16,526.10 × 7,132.60
  4. Step 4: Simplify right side
    11,030.20x = 117,874,060.86
  5. Step 5: Solve for x
    x = 117,874,060.86/11,030.20
  6. Step 6: Final answer
    x = 10,686.48

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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.