Home / 10,386.23-14,332.91-5,670.51

Finding the Fourth Proportional to 10,386.23, 14,332.91 and 5,670.51

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Solution

The fourth proportional to 10,386.23, 14,332.91 and 5,670.51 is: 7,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.23 : 14,332.91 = 5,670.51 : x
  2. Step 2: Convert to fraction form
    10,386.23/14,332.91 = 5,670.51/x
  3. Step 3: Cross multiply
    10,386.23x = 14,332.91 × 5,670.51
  4. Step 4: Simplify right side
    10,386.23x = 81,274,909.48
  5. Step 5: Solve for x
    x = 81,274,909.48/10,386.23
  6. Step 6: Final answer
    x = 7,825.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.