Home / 10,938.60-15,094.56-6,222.84

Finding the Fourth Proportional to 10,938.60, 15,094.56 and 6,222.84

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Solution

The fourth proportional to 10,938.60, 15,094.56 and 6,222.84 is: 8,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.60 : 15,094.56 = 6,222.84 : x
  2. Step 2: Convert to fraction form
    10,938.60/15,094.56 = 6,222.84/x
  3. Step 3: Cross multiply
    10,938.60x = 15,094.56 × 6,222.84
  4. Step 4: Simplify right side
    10,938.60x = 93,931,031.75
  5. Step 5: Solve for x
    x = 93,931,031.75/10,938.60
  6. Step 6: Final answer
    x = 8,587.12

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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.