Home / 8,315.19-11,475.23-4,730.06

Finding the Fourth Proportional to 8,315.19, 11,475.23 and 4,730.06

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Solution

The fourth proportional to 8,315.19, 11,475.23 and 4,730.06 is: 6,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.19 : 11,475.23 = 4,730.06 : x
  2. Step 2: Convert to fraction form
    8,315.19/11,475.23 = 4,730.06/x
  3. Step 3: Cross multiply
    8,315.19x = 11,475.23 × 4,730.06
  4. Step 4: Simplify right side
    8,315.19x = 54,278,526.41
  5. Step 5: Solve for x
    x = 54,278,526.41/8,315.19
  6. Step 6: Final answer
    x = 6,527.64

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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.