Home / 10,513.16-14,505.60-6,261.50

Finding the Fourth Proportional to 10,513.16, 14,505.60 and 6,261.50

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Solution

The fourth proportional to 10,513.16, 14,505.60 and 6,261.50 is: 8,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.16 : 14,505.60 = 6,261.50 : x
  2. Step 2: Convert to fraction form
    10,513.16/14,505.60 = 6,261.50/x
  3. Step 3: Cross multiply
    10,513.16x = 14,505.60 × 6,261.50
  4. Step 4: Simplify right side
    10,513.16x = 90,826,814.40
  5. Step 5: Solve for x
    x = 90,826,814.40/10,513.16
  6. Step 6: Final answer
    x = 8,639.34

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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.