Home / 10,301.17-15,319.23-9,973.12

Finding the Fourth Proportional to 10,301.17, 15,319.23 and 9,973.12

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Solution

The fourth proportional to 10,301.17, 15,319.23 and 9,973.12 is: 14,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.17 : 15,319.23 = 9,973.12 : x
  2. Step 2: Convert to fraction form
    10,301.17/15,319.23 = 9,973.12/x
  3. Step 3: Cross multiply
    10,301.17x = 15,319.23 × 9,973.12
  4. Step 4: Simplify right side
    10,301.17x = 152,780,519.10
  5. Step 5: Solve for x
    x = 152,780,519.10/10,301.17
  6. Step 6: Final answer
    x = 14,831.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.