Home / 7,607.78-10,492.70-4,623.56

Finding the Fourth Proportional to 7,607.78, 10,492.70 and 4,623.56

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Solution

The fourth proportional to 7,607.78, 10,492.70 and 4,623.56 is: 6,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.78 : 10,492.70 = 4,623.56 : x
  2. Step 2: Convert to fraction form
    7,607.78/10,492.70 = 4,623.56/x
  3. Step 3: Cross multiply
    7,607.78x = 10,492.70 × 4,623.56
  4. Step 4: Simplify right side
    7,607.78x = 48,513,628.01
  5. Step 5: Solve for x
    x = 48,513,628.01/7,607.78
  6. Step 6: Final answer
    x = 6,376.84

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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.