Home / 10,412.13-14,368.55-5,696.85

Finding the Fourth Proportional to 10,412.13, 14,368.55 and 5,696.85

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Solution

The fourth proportional to 10,412.13, 14,368.55 and 5,696.85 is: 7,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.13 : 14,368.55 = 5,696.85 : x
  2. Step 2: Convert to fraction form
    10,412.13/14,368.55 = 5,696.85/x
  3. Step 3: Cross multiply
    10,412.13x = 14,368.55 × 5,696.85
  4. Step 4: Simplify right side
    10,412.13x = 81,855,445.58
  5. Step 5: Solve for x
    x = 81,855,445.58/10,412.13
  6. Step 6: Final answer
    x = 7,861.55

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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.