Home / 7,547.21-11,306.10-4,942.25

Finding the Fourth Proportional to 7,547.21, 11,306.10 and 4,942.25

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Solution

The fourth proportional to 7,547.21, 11,306.10 and 4,942.25 is: 7,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.21 : 11,306.10 = 4,942.25 : x
  2. Step 2: Convert to fraction form
    7,547.21/11,306.10 = 4,942.25/x
  3. Step 3: Cross multiply
    7,547.21x = 11,306.10 × 4,942.25
  4. Step 4: Simplify right side
    7,547.21x = 55,877,572.73
  5. Step 5: Solve for x
    x = 55,877,572.73/7,547.21
  6. Step 6: Final answer
    x = 7,403.74

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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.