Home / 8,724.08-12,041.80-5,322.32

Finding the Fourth Proportional to 8,724.08, 12,041.80 and 5,322.32

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Solution

The fourth proportional to 8,724.08, 12,041.80 and 5,322.32 is: 7,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.08 : 12,041.80 = 5,322.32 : x
  2. Step 2: Convert to fraction form
    8,724.08/12,041.80 = 5,322.32/x
  3. Step 3: Cross multiply
    8,724.08x = 12,041.80 × 5,322.32
  4. Step 4: Simplify right side
    8,724.08x = 64,090,312.98
  5. Step 5: Solve for x
    x = 64,090,312.98/8,724.08
  6. Step 6: Final answer
    x = 7,346.37

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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.