Home / 7,218.12-9,956.34-6,030.12

Finding the Fourth Proportional to 7,218.12, 9,956.34 and 6,030.12

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Solution

The fourth proportional to 7,218.12, 9,956.34 and 6,030.12 is: 8,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.12 : 9,956.34 = 6,030.12 : x
  2. Step 2: Convert to fraction form
    7,218.12/9,956.34 = 6,030.12/x
  3. Step 3: Cross multiply
    7,218.12x = 9,956.34 × 6,030.12
  4. Step 4: Simplify right side
    7,218.12x = 60,037,924.96
  5. Step 5: Solve for x
    x = 60,037,924.96/7,218.12
  6. Step 6: Final answer
    x = 8,317.67

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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.