Home / 8,782.07-12,119.00-4,803.10

Finding the Fourth Proportional to 8,782.07, 12,119.00 and 4,803.10

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Solution

The fourth proportional to 8,782.07, 12,119.00 and 4,803.10 is: 6,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.07 : 12,119.00 = 4,803.10 : x
  2. Step 2: Convert to fraction form
    8,782.07/12,119.00 = 4,803.10/x
  3. Step 3: Cross multiply
    8,782.07x = 12,119.00 × 4,803.10
  4. Step 4: Simplify right side
    8,782.07x = 58,208,741.60
  5. Step 5: Solve for x
    x = 58,208,741.60/8,782.07
  6. Step 6: Final answer
    x = 6,628.13

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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.