Home / 11,130.22-16,552.04-10,779.76

Finding the Fourth Proportional to 11,130.22, 16,552.04 and 10,779.76

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Solution

The fourth proportional to 11,130.22, 16,552.04 and 10,779.76 is: 16,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.22 : 16,552.04 = 10,779.76 : x
  2. Step 2: Convert to fraction form
    11,130.22/16,552.04 = 10,779.76/x
  3. Step 3: Cross multiply
    11,130.22x = 16,552.04 × 10,779.76
  4. Step 4: Simplify right side
    11,130.22x = 178,427,018.71
  5. Step 5: Solve for x
    x = 178,427,018.71/11,130.22
  6. Step 6: Final answer
    x = 16,030.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.