Home / 7,443.16-11,143.02-5,577.32

Finding the Fourth Proportional to 7,443.16, 11,143.02 and 5,577.32

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Solution

The fourth proportional to 7,443.16, 11,143.02 and 5,577.32 is: 8,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.16 : 11,143.02 = 5,577.32 : x
  2. Step 2: Convert to fraction form
    7,443.16/11,143.02 = 5,577.32/x
  3. Step 3: Cross multiply
    7,443.16x = 11,143.02 × 5,577.32
  4. Step 4: Simplify right side
    7,443.16x = 62,148,188.31
  5. Step 5: Solve for x
    x = 62,148,188.31/7,443.16
  6. Step 6: Final answer
    x = 8,349.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.