Home / 7,925.76-10,937.70-4,389.06

Finding the Fourth Proportional to 7,925.76, 10,937.70 and 4,389.06

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Solution

The fourth proportional to 7,925.76, 10,937.70 and 4,389.06 is: 6,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.76 : 10,937.70 = 4,389.06 : x
  2. Step 2: Convert to fraction form
    7,925.76/10,937.70 = 4,389.06/x
  3. Step 3: Cross multiply
    7,925.76x = 10,937.70 × 4,389.06
  4. Step 4: Simplify right side
    7,925.76x = 48,006,221.56
  5. Step 5: Solve for x
    x = 48,006,221.56/7,925.76
  6. Step 6: Final answer
    x = 6,056.99

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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.