Home / 7,258.12-10,877.46-6,402.76

Finding the Fourth Proportional to 7,258.12, 10,877.46 and 6,402.76

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Solution

The fourth proportional to 7,258.12, 10,877.46 and 6,402.76 is: 9,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.12 : 10,877.46 = 6,402.76 : x
  2. Step 2: Convert to fraction form
    7,258.12/10,877.46 = 6,402.76/x
  3. Step 3: Cross multiply
    7,258.12x = 10,877.46 × 6,402.76
  4. Step 4: Simplify right side
    7,258.12x = 69,645,765.79
  5. Step 5: Solve for x
    x = 69,645,765.79/7,258.12
  6. Step 6: Final answer
    x = 9,595.57

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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.