Home / 10,547.49-14,555.10-6,071.40

Finding the Fourth Proportional to 10,547.49, 14,555.10 and 6,071.40

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Solution

The fourth proportional to 10,547.49, 14,555.10 and 6,071.40 is: 8,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.49 : 14,555.10 = 6,071.40 : x
  2. Step 2: Convert to fraction form
    10,547.49/14,555.10 = 6,071.40/x
  3. Step 3: Cross multiply
    10,547.49x = 14,555.10 × 6,071.40
  4. Step 4: Simplify right side
    10,547.49x = 88,369,834.14
  5. Step 5: Solve for x
    x = 88,369,834.14/10,547.49
  6. Step 6: Final answer
    x = 8,378.28

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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.