Home / 10,435.25-14,400.65-5,719.64

Finding the Fourth Proportional to 10,435.25, 14,400.65 and 5,719.64

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Solution

The fourth proportional to 10,435.25, 14,400.65 and 5,719.64 is: 7,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.25 : 14,400.65 = 5,719.64 : x
  2. Step 2: Convert to fraction form
    10,435.25/14,400.65 = 5,719.64/x
  3. Step 3: Cross multiply
    10,435.25x = 14,400.65 × 5,719.64
  4. Step 4: Simplify right side
    10,435.25x = 82,366,533.77
  5. Step 5: Solve for x
    x = 82,366,533.77/10,435.25
  6. Step 6: Final answer
    x = 7,893.11

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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.