Home / 9,158.42-12,638.70-4,966.67

Finding the Fourth Proportional to 9,158.42, 12,638.70 and 4,966.67

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Solution

The fourth proportional to 9,158.42, 12,638.70 and 4,966.67 is: 6,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.42 : 12,638.70 = 4,966.67 : x
  2. Step 2: Convert to fraction form
    9,158.42/12,638.70 = 4,966.67/x
  3. Step 3: Cross multiply
    9,158.42x = 12,638.70 × 4,966.67
  4. Step 4: Simplify right side
    9,158.42x = 62,772,283.73
  5. Step 5: Solve for x
    x = 62,772,283.73/9,158.42
  6. Step 6: Final answer
    x = 6,854.05

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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.