Home / 10,111.80-15,176.70-5,946.60

Finding the Fourth Proportional to 10,111.80, 15,176.70 and 5,946.60

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Solution

The fourth proportional to 10,111.80, 15,176.70 and 5,946.60 is: 8,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.80 : 15,176.70 = 5,946.60 : x
  2. Step 2: Convert to fraction form
    10,111.80/15,176.70 = 5,946.60/x
  3. Step 3: Cross multiply
    10,111.80x = 15,176.70 × 5,946.60
  4. Step 4: Simplify right side
    10,111.80x = 90,249,764.22
  5. Step 5: Solve for x
    x = 90,249,764.22/10,111.80
  6. Step 6: Final answer
    x = 8,925.19

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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.