Home / 10,324.04-14,320.28-9,970.02

Finding the Fourth Proportional to 10,324.04, 14,320.28 and 9,970.02

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Solution

The fourth proportional to 10,324.04, 14,320.28 and 9,970.02 is: 13,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.04 : 14,320.28 = 9,970.02 : x
  2. Step 2: Convert to fraction form
    10,324.04/14,320.28 = 9,970.02/x
  3. Step 3: Cross multiply
    10,324.04x = 14,320.28 × 9,970.02
  4. Step 4: Simplify right side
    10,324.04x = 142,773,446.85
  5. Step 5: Solve for x
    x = 142,773,446.85/10,324.04
  6. Step 6: Final answer
    x = 13,829.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.