Home / 8,123.54-11,210.40-4,586.67

Finding the Fourth Proportional to 8,123.54, 11,210.40 and 4,586.67

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Solution

The fourth proportional to 8,123.54, 11,210.40 and 4,586.67 is: 6,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.54 : 11,210.40 = 4,586.67 : x
  2. Step 2: Convert to fraction form
    8,123.54/11,210.40 = 4,586.67/x
  3. Step 3: Cross multiply
    8,123.54x = 11,210.40 × 4,586.67
  4. Step 4: Simplify right side
    8,123.54x = 51,418,405.37
  5. Step 5: Solve for x
    x = 51,418,405.37/8,123.54
  6. Step 6: Final answer
    x = 6,329.56

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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.