Home / 7,330.96-10,117.12-4,187.76

Finding the Fourth Proportional to 7,330.96, 10,117.12 and 4,187.76

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Solution

The fourth proportional to 7,330.96, 10,117.12 and 4,187.76 is: 5,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.96 : 10,117.12 = 4,187.76 : x
  2. Step 2: Convert to fraction form
    7,330.96/10,117.12 = 4,187.76/x
  3. Step 3: Cross multiply
    7,330.96x = 10,117.12 × 4,187.76
  4. Step 4: Simplify right side
    7,330.96x = 42,368,070.45
  5. Step 5: Solve for x
    x = 42,368,070.45/7,330.96
  6. Step 6: Final answer
    x = 5,779.33

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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.