Home / 7,883.10-10,878.50-4,346.32

Finding the Fourth Proportional to 7,883.10, 10,878.50 and 4,346.32

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Solution

The fourth proportional to 7,883.10, 10,878.50 and 4,346.32 is: 5,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.10 : 10,878.50 = 4,346.32 : x
  2. Step 2: Convert to fraction form
    7,883.10/10,878.50 = 4,346.32/x
  3. Step 3: Cross multiply
    7,883.10x = 10,878.50 × 4,346.32
  4. Step 4: Simplify right side
    7,883.10x = 47,281,442.12
  5. Step 5: Solve for x
    x = 47,281,442.12/7,883.10
  6. Step 6: Final answer
    x = 5,997.82

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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.