Home / 7,156.08-9,867.96-4,635.36

Finding the Fourth Proportional to 7,156.08, 9,867.96 and 4,635.36

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Solution

The fourth proportional to 7,156.08, 9,867.96 and 4,635.36 is: 6,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.08 : 9,867.96 = 4,635.36 : x
  2. Step 2: Convert to fraction form
    7,156.08/9,867.96 = 4,635.36/x
  3. Step 3: Cross multiply
    7,156.08x = 9,867.96 × 4,635.36
  4. Step 4: Simplify right side
    7,156.08x = 45,741,547.07
  5. Step 5: Solve for x
    x = 45,741,547.07/7,156.08
  6. Step 6: Final answer
    x = 6,391.98

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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.