Home / 7,924.23-10,935.81-4,387.50

Finding the Fourth Proportional to 7,924.23, 10,935.81 and 4,387.50

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Solution

The fourth proportional to 7,924.23, 10,935.81 and 4,387.50 is: 6,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.23 : 10,935.81 = 4,387.50 : x
  2. Step 2: Convert to fraction form
    7,924.23/10,935.81 = 4,387.50/x
  3. Step 3: Cross multiply
    7,924.23x = 10,935.81 × 4,387.50
  4. Step 4: Simplify right side
    7,924.23x = 47,980,866.38
  5. Step 5: Solve for x
    x = 47,980,866.38/7,924.23
  6. Step 6: Final answer
    x = 6,054.96

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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.