Home / 10,437.51-14,403.77-5,657.49

Finding the Fourth Proportional to 10,437.51, 14,403.77 and 5,657.49

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Solution

The fourth proportional to 10,437.51, 14,403.77 and 5,657.49 is: 7,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.51 : 14,403.77 = 5,657.49 : x
  2. Step 2: Convert to fraction form
    10,437.51/14,403.77 = 5,657.49/x
  3. Step 3: Cross multiply
    10,437.51x = 14,403.77 × 5,657.49
  4. Step 4: Simplify right side
    10,437.51x = 81,489,210.46
  5. Step 5: Solve for x
    x = 81,489,210.46/10,437.51
  6. Step 6: Final answer
    x = 7,807.34

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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.