Home / 9,036.33-12,470.66-5,057.40

Finding the Fourth Proportional to 9,036.33, 12,470.66 and 5,057.40

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Solution

The fourth proportional to 9,036.33, 12,470.66 and 5,057.40 is: 6,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.33 : 12,470.66 = 5,057.40 : x
  2. Step 2: Convert to fraction form
    9,036.33/12,470.66 = 5,057.40/x
  3. Step 3: Cross multiply
    9,036.33x = 12,470.66 × 5,057.40
  4. Step 4: Simplify right side
    9,036.33x = 63,069,090.60
  5. Step 5: Solve for x
    x = 63,069,090.60/9,036.33
  6. Step 6: Final answer
    x = 6,979.50

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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.