Home / 10,656.77-15,979.51-4,731.08

Finding the Fourth Proportional to 10,656.77, 15,979.51 and 4,731.08

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Solution

The fourth proportional to 10,656.77, 15,979.51 and 4,731.08 is: 7,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.77 : 15,979.51 = 4,731.08 : x
  2. Step 2: Convert to fraction form
    10,656.77/15,979.51 = 4,731.08/x
  3. Step 3: Cross multiply
    10,656.77x = 15,979.51 × 4,731.08
  4. Step 4: Simplify right side
    10,656.77x = 75,600,266.19
  5. Step 5: Solve for x
    x = 75,600,266.19/10,656.77
  6. Step 6: Final answer
    x = 7,094.11

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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.