Home / 10,445.10-15,668.27-4,205.08

Finding the Fourth Proportional to 10,445.10, 15,668.27 and 4,205.08

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Solution

The fourth proportional to 10,445.10, 15,668.27 and 4,205.08 is: 6,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.10 : 15,668.27 = 4,205.08 : x
  2. Step 2: Convert to fraction form
    10,445.10/15,668.27 = 4,205.08/x
  3. Step 3: Cross multiply
    10,445.10x = 15,668.27 × 4,205.08
  4. Step 4: Simplify right side
    10,445.10x = 65,886,328.81
  5. Step 5: Solve for x
    x = 65,886,328.81/10,445.10
  6. Step 6: Final answer
    x = 6,307.87

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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.