Home / 10,376.40-15,572.52-7,610.40

Finding the Fourth Proportional to 10,376.40, 15,572.52 and 7,610.40

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Solution

The fourth proportional to 10,376.40, 15,572.52 and 7,610.40 is: 11,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.40 : 15,572.52 = 7,610.40 : x
  2. Step 2: Convert to fraction form
    10,376.40/15,572.52 = 7,610.40/x
  3. Step 3: Cross multiply
    10,376.40x = 15,572.52 × 7,610.40
  4. Step 4: Simplify right side
    10,376.40x = 118,513,106.21
  5. Step 5: Solve for x
    x = 118,513,106.21/10,376.40
  6. Step 6: Final answer
    x = 11,421.41

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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.