Home / 8,130.32-11,219.30-4,592.84

Finding the Fourth Proportional to 8,130.32, 11,219.30 and 4,592.84

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Solution

The fourth proportional to 8,130.32, 11,219.30 and 4,592.84 is: 6,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.32 : 11,219.30 = 4,592.84 : x
  2. Step 2: Convert to fraction form
    8,130.32/11,219.30 = 4,592.84/x
  3. Step 3: Cross multiply
    8,130.32x = 11,219.30 × 4,592.84
  4. Step 4: Simplify right side
    8,130.32x = 51,528,449.81
  5. Step 5: Solve for x
    x = 51,528,449.81/8,130.32
  6. Step 6: Final answer
    x = 6,337.81

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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.