Home / 10,517.40-14,506.74-8,528.04

Finding the Fourth Proportional to 10,517.40, 14,506.74 and 8,528.04

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Solution

The fourth proportional to 10,517.40, 14,506.74 and 8,528.04 is: 11,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.40 : 14,506.74 = 8,528.04 : x
  2. Step 2: Convert to fraction form
    10,517.40/14,506.74 = 8,528.04/x
  3. Step 3: Cross multiply
    10,517.40x = 14,506.74 × 8,528.04
  4. Step 4: Simplify right side
    10,517.40x = 123,714,058.99
  5. Step 5: Solve for x
    x = 123,714,058.99/10,517.40
  6. Step 6: Final answer
    x = 11,762.80

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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.