Home / 10,666.47-14,719.48-5,886.79

Finding the Fourth Proportional to 10,666.47, 14,719.48 and 5,886.79

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Solution

The fourth proportional to 10,666.47, 14,719.48 and 5,886.79 is: 8,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.47 : 14,719.48 = 5,886.79 : x
  2. Step 2: Convert to fraction form
    10,666.47/14,719.48 = 5,886.79/x
  3. Step 3: Cross multiply
    10,666.47x = 14,719.48 × 5,886.79
  4. Step 4: Simplify right side
    10,666.47x = 86,650,460.99
  5. Step 5: Solve for x
    x = 86,650,460.99/10,666.47
  6. Step 6: Final answer
    x = 8,123.63

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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.