Home / 10,437.21-14,403.39-5,657.16

Finding the Fourth Proportional to 10,437.21, 14,403.39 and 5,657.16

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Solution

The fourth proportional to 10,437.21, 14,403.39 and 5,657.16 is: 7,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.21 : 14,403.39 = 5,657.16 : x
  2. Step 2: Convert to fraction form
    10,437.21/14,403.39 = 5,657.16/x
  3. Step 3: Cross multiply
    10,437.21x = 14,403.39 × 5,657.16
  4. Step 4: Simplify right side
    10,437.21x = 81,482,281.77
  5. Step 5: Solve for x
    x = 81,482,281.77/10,437.21
  6. Step 6: Final answer
    x = 7,806.90

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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.