Home / 11,875.28-16,387.56-6,570.08

Finding the Fourth Proportional to 11,875.28, 16,387.56 and 6,570.08

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Solution

The fourth proportional to 11,875.28, 16,387.56 and 6,570.08 is: 9,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.28 : 16,387.56 = 6,570.08 : x
  2. Step 2: Convert to fraction form
    11,875.28/16,387.56 = 6,570.08/x
  3. Step 3: Cross multiply
    11,875.28x = 16,387.56 × 6,570.08
  4. Step 4: Simplify right side
    11,875.28x = 107,667,580.20
  5. Step 5: Solve for x
    x = 107,667,580.20/11,875.28
  6. Step 6: Final answer
    x = 9,066.53

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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.