Home / 10,030.28-15,035.47-4,756.02

Finding the Fourth Proportional to 10,030.28, 15,035.47 and 4,756.02

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Solution

The fourth proportional to 10,030.28, 15,035.47 and 4,756.02 is: 7,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.28 : 15,035.47 = 4,756.02 : x
  2. Step 2: Convert to fraction form
    10,030.28/15,035.47 = 4,756.02/x
  3. Step 3: Cross multiply
    10,030.28x = 15,035.47 × 4,756.02
  4. Step 4: Simplify right side
    10,030.28x = 71,508,954.51
  5. Step 5: Solve for x
    x = 71,508,954.51/10,030.28
  6. Step 6: Final answer
    x = 7,129.31

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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.