Home / 7,927.47-10,938.24-4,783.05

Finding the Fourth Proportional to 7,927.47, 10,938.24 and 4,783.05

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Solution

The fourth proportional to 7,927.47, 10,938.24 and 4,783.05 is: 6,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.47 : 10,938.24 = 4,783.05 : x
  2. Step 2: Convert to fraction form
    7,927.47/10,938.24 = 4,783.05/x
  3. Step 3: Cross multiply
    7,927.47x = 10,938.24 × 4,783.05
  4. Step 4: Simplify right side
    7,927.47x = 52,318,148.83
  5. Step 5: Solve for x
    x = 52,318,148.83/7,927.47
  6. Step 6: Final answer
    x = 6,599.60

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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.