Home / 10,371.64-15,547.80-4,130.45

Finding the Fourth Proportional to 10,371.64, 15,547.80 and 4,130.45

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Solution

The fourth proportional to 10,371.64, 15,547.80 and 4,130.45 is: 6,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.64 : 15,547.80 = 4,130.45 : x
  2. Step 2: Convert to fraction form
    10,371.64/15,547.80 = 4,130.45/x
  3. Step 3: Cross multiply
    10,371.64x = 15,547.80 × 4,130.45
  4. Step 4: Simplify right side
    10,371.64x = 64,219,410.51
  5. Step 5: Solve for x
    x = 64,219,410.51/10,371.64
  6. Step 6: Final answer
    x = 6,191.83

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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.