Home / 8,065.53-11,130.71-4,707.81

Finding the Fourth Proportional to 8,065.53, 11,130.71 and 4,707.81

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Solution

The fourth proportional to 8,065.53, 11,130.71 and 4,707.81 is: 6,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.53 : 11,130.71 = 4,707.81 : x
  2. Step 2: Convert to fraction form
    8,065.53/11,130.71 = 4,707.81/x
  3. Step 3: Cross multiply
    8,065.53x = 11,130.71 × 4,707.81
  4. Step 4: Simplify right side
    8,065.53x = 52,401,244.31
  5. Step 5: Solve for x
    x = 52,401,244.31/8,065.53
  6. Step 6: Final answer
    x = 6,496.94

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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.