Home / 10,412.16-14,362.56-9,012.48

Finding the Fourth Proportional to 10,412.16, 14,362.56 and 9,012.48

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Solution

The fourth proportional to 10,412.16, 14,362.56 and 9,012.48 is: 12,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.16 : 14,362.56 = 9,012.48 : x
  2. Step 2: Convert to fraction form
    10,412.16/14,362.56 = 9,012.48/x
  3. Step 3: Cross multiply
    10,412.16x = 14,362.56 × 9,012.48
  4. Step 4: Simplify right side
    10,412.16x = 129,442,284.75
  5. Step 5: Solve for x
    x = 129,442,284.75/10,412.16
  6. Step 6: Final answer
    x = 12,431.84

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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.