Home / 12,316.55-16,998.19-7,010.51

Finding the Fourth Proportional to 12,316.55, 16,998.19 and 7,010.51

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Solution

The fourth proportional to 12,316.55, 16,998.19 and 7,010.51 is: 9,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.55 : 16,998.19 = 7,010.51 : x
  2. Step 2: Convert to fraction form
    12,316.55/16,998.19 = 7,010.51/x
  3. Step 3: Cross multiply
    12,316.55x = 16,998.19 × 7,010.51
  4. Step 4: Simplify right side
    12,316.55x = 119,165,878.46
  5. Step 5: Solve for x
    x = 119,165,878.46/12,316.55
  6. Step 6: Final answer
    x = 9,675.27

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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.