Home / 10,347.63-15,526.01-3,422.13

Finding the Fourth Proportional to 10,347.63, 15,526.01 and 3,422.13

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Solution

The fourth proportional to 10,347.63, 15,526.01 and 3,422.13 is: 5,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.63 : 15,526.01 = 3,422.13 : x
  2. Step 2: Convert to fraction form
    10,347.63/15,526.01 = 3,422.13/x
  3. Step 3: Cross multiply
    10,347.63x = 15,526.01 × 3,422.13
  4. Step 4: Simplify right side
    10,347.63x = 53,132,024.60
  5. Step 5: Solve for x
    x = 53,132,024.60/10,347.63
  6. Step 6: Final answer
    x = 5,134.70

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1.5x scale

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.