Home / 8,942.73-12,312.84-7,595.45

Finding the Fourth Proportional to 8,942.73, 12,312.84 and 7,595.45

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Solution

The fourth proportional to 8,942.73, 12,312.84 and 7,595.45 is: 10,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.73 : 12,312.84 = 7,595.45 : x
  2. Step 2: Convert to fraction form
    8,942.73/12,312.84 = 7,595.45/x
  3. Step 3: Cross multiply
    8,942.73x = 12,312.84 × 7,595.45
  4. Step 4: Simplify right side
    8,942.73x = 93,521,474.95
  5. Step 5: Solve for x
    x = 93,521,474.95/8,942.73
  6. Step 6: Final answer
    x = 10,457.82

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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.