Home / 11,065.08-15,258.27-8,547.60

Finding the Fourth Proportional to 11,065.08, 15,258.27 and 8,547.60

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Solution

The fourth proportional to 11,065.08, 15,258.27 and 8,547.60 is: 11,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.08 : 15,258.27 = 8,547.60 : x
  2. Step 2: Convert to fraction form
    11,065.08/15,258.27 = 8,547.60/x
  3. Step 3: Cross multiply
    11,065.08x = 15,258.27 × 8,547.60
  4. Step 4: Simplify right side
    11,065.08x = 130,421,588.65
  5. Step 5: Solve for x
    x = 130,421,588.65/11,065.08
  6. Step 6: Final answer
    x = 11,786.77

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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.