Home / 11,549.34-15,938.05-6,513.53

Finding the Fourth Proportional to 11,549.34, 15,938.05 and 6,513.53

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Solution

The fourth proportional to 11,549.34, 15,938.05 and 6,513.53 is: 8,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.34 : 15,938.05 = 6,513.53 : x
  2. Step 2: Convert to fraction form
    11,549.34/15,938.05 = 6,513.53/x
  3. Step 3: Cross multiply
    11,549.34x = 15,938.05 × 6,513.53
  4. Step 4: Simplify right side
    11,549.34x = 103,812,942.16
  5. Step 5: Solve for x
    x = 103,812,942.16/11,549.34
  6. Step 6: Final answer
    x = 8,988.65

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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.