Home / 11,875.53-16,386.42-6,570.39

Finding the Fourth Proportional to 11,875.53, 16,386.42 and 6,570.39

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Solution

The fourth proportional to 11,875.53, 16,386.42 and 6,570.39 is: 9,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.53 : 16,386.42 = 6,570.39 : x
  2. Step 2: Convert to fraction form
    11,875.53/16,386.42 = 6,570.39/x
  3. Step 3: Cross multiply
    11,875.53x = 16,386.42 × 6,570.39
  4. Step 4: Simplify right side
    11,875.53x = 107,665,170.10
  5. Step 5: Solve for x
    x = 107,665,170.10/11,875.53
  6. Step 6: Final answer
    x = 9,066.14

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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.