Home / 8,710.56-12,020.57-4,731.67

Finding the Fourth Proportional to 8,710.56, 12,020.57 and 4,731.67

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Solution

The fourth proportional to 8,710.56, 12,020.57 and 4,731.67 is: 6,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.56 : 12,020.57 = 4,731.67 : x
  2. Step 2: Convert to fraction form
    8,710.56/12,020.57 = 4,731.67/x
  3. Step 3: Cross multiply
    8,710.56x = 12,020.57 × 4,731.67
  4. Step 4: Simplify right side
    8,710.56x = 56,877,370.45
  5. Step 5: Solve for x
    x = 56,877,370.45/8,710.56
  6. Step 6: Final answer
    x = 6,529.70

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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.