Home / 10,923.36-15,074.36-8,536.10

Finding the Fourth Proportional to 10,923.36, 15,074.36 and 8,536.10

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Solution

The fourth proportional to 10,923.36, 15,074.36 and 8,536.10 is: 11,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.36 : 15,074.36 = 8,536.10 : x
  2. Step 2: Convert to fraction form
    10,923.36/15,074.36 = 8,536.10/x
  3. Step 3: Cross multiply
    10,923.36x = 15,074.36 × 8,536.10
  4. Step 4: Simplify right side
    10,923.36x = 128,676,126.34
  5. Step 5: Solve for x
    x = 128,676,126.34/10,923.36
  6. Step 6: Final answer
    x = 11,779.90

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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.