Home / 10,176.16-15,242.46-7,683.52

Finding the Fourth Proportional to 10,176.16, 15,242.46 and 7,683.52

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Solution

The fourth proportional to 10,176.16, 15,242.46 and 7,683.52 is: 11,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.16 : 15,242.46 = 7,683.52 : x
  2. Step 2: Convert to fraction form
    10,176.16/15,242.46 = 7,683.52/x
  3. Step 3: Cross multiply
    10,176.16x = 15,242.46 × 7,683.52
  4. Step 4: Simplify right side
    10,176.16x = 117,115,746.26
  5. Step 5: Solve for x
    x = 117,115,746.26/10,176.16
  6. Step 6: Final answer
    x = 11,508.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.