Home / 10,148.23-15,211.90-4,875.33

Finding the Fourth Proportional to 10,148.23, 15,211.90 and 4,875.33

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Solution

The fourth proportional to 10,148.23, 15,211.90 and 4,875.33 is: 7,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.23 : 15,211.90 = 4,875.33 : x
  2. Step 2: Convert to fraction form
    10,148.23/15,211.90 = 4,875.33/x
  3. Step 3: Cross multiply
    10,148.23x = 15,211.90 × 4,875.33
  4. Step 4: Simplify right side
    10,148.23x = 74,163,032.43
  5. Step 5: Solve for x
    x = 74,163,032.43/10,148.23
  6. Step 6: Final answer
    x = 7,307.98

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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.