Home / 8,775.42-12,110.66-4,948.01

Finding the Fourth Proportional to 8,775.42, 12,110.66 and 4,948.01

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Solution

The fourth proportional to 8,775.42, 12,110.66 and 4,948.01 is: 6,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.42 : 12,110.66 = 4,948.01 : x
  2. Step 2: Convert to fraction form
    8,775.42/12,110.66 = 4,948.01/x
  3. Step 3: Cross multiply
    8,775.42x = 12,110.66 × 4,948.01
  4. Step 4: Simplify right side
    8,775.42x = 59,923,581.49
  5. Step 5: Solve for x
    x = 59,923,581.49/8,775.42
  6. Step 6: Final answer
    x = 6,828.57

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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.