Home / 11,407.04-15,743.28-6,692.84

Finding the Fourth Proportional to 11,407.04, 15,743.28 and 6,692.84

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Solution

The fourth proportional to 11,407.04, 15,743.28 and 6,692.84 is: 9,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.04 : 15,743.28 = 6,692.84 : x
  2. Step 2: Convert to fraction form
    11,407.04/15,743.28 = 6,692.84/x
  3. Step 3: Cross multiply
    11,407.04x = 15,743.28 × 6,692.84
  4. Step 4: Simplify right side
    11,407.04x = 105,367,254.12
  5. Step 5: Solve for x
    x = 105,367,254.12/11,407.04
  6. Step 6: Final answer
    x = 9,237.04

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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.