Home / 10,030.08-15,037.12-4,762.48

Finding the Fourth Proportional to 10,030.08, 15,037.12 and 4,762.48

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Solution

The fourth proportional to 10,030.08, 15,037.12 and 4,762.48 is: 7,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.08 : 15,037.12 = 4,762.48 : x
  2. Step 2: Convert to fraction form
    10,030.08/15,037.12 = 4,762.48/x
  3. Step 3: Cross multiply
    10,030.08x = 15,037.12 × 4,762.48
  4. Step 4: Simplify right side
    10,030.08x = 71,613,983.26
  5. Step 5: Solve for x
    x = 71,613,983.26/10,030.08
  6. Step 6: Final answer
    x = 7,139.92

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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.