Home / 10,666.35-14,720.49-5,886.74

Finding the Fourth Proportional to 10,666.35, 14,720.49 and 5,886.74

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Solution

The fourth proportional to 10,666.35, 14,720.49 and 5,886.74 is: 8,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.35 : 14,720.49 = 5,886.74 : x
  2. Step 2: Convert to fraction form
    10,666.35/14,720.49 = 5,886.74/x
  3. Step 3: Cross multiply
    10,666.35x = 14,720.49 × 5,886.74
  4. Step 4: Simplify right side
    10,666.35x = 86,655,697.30
  5. Step 5: Solve for x
    x = 86,655,697.30/10,666.35
  6. Step 6: Final answer
    x = 8,124.21

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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.