Home / 9,189.51-12,677.43-6,124.05

Finding the Fourth Proportional to 9,189.51, 12,677.43 and 6,124.05

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Solution

The fourth proportional to 9,189.51, 12,677.43 and 6,124.05 is: 8,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.51 : 12,677.43 = 6,124.05 : x
  2. Step 2: Convert to fraction form
    9,189.51/12,677.43 = 6,124.05/x
  3. Step 3: Cross multiply
    9,189.51x = 12,677.43 × 6,124.05
  4. Step 4: Simplify right side
    9,189.51x = 77,637,215.19
  5. Step 5: Solve for x
    x = 77,637,215.19/9,189.51
  6. Step 6: Final answer
    x = 8,448.46

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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.