Home / 13,316.06-18,376.75-7,652.64

Finding the Fourth Proportional to 13,316.06, 18,376.75 and 7,652.64

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Solution

The fourth proportional to 13,316.06, 18,376.75 and 7,652.64 is: 10,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.06 : 18,376.75 = 7,652.64 : x
  2. Step 2: Convert to fraction form
    13,316.06/18,376.75 = 7,652.64/x
  3. Step 3: Cross multiply
    13,316.06x = 18,376.75 × 7,652.64
  4. Step 4: Simplify right side
    13,316.06x = 140,630,560.24
  5. Step 5: Solve for x
    x = 140,630,560.24/13,316.06
  6. Step 6: Final answer
    x = 10,560.98

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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.